Category:Patents by Margaret E. Knight
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Media in category "Patents by Margaret E. Knight"
The following 49 files are in this category, out of 49 total.
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US1068781-Internal combustion engine (1).jpg 1,736 × 2,814; 1.5 MB
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US1068781-Internal combustion engine (2).jpg 1,785 × 2,758; 1.56 MB
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US109224-Improvement in paper-feeding machines (1).jpg 1,789 × 2,986; 975 KB
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US109224-Improvement in paper-feeding machines (2).jpg 1,715 × 2,915; 1.17 MB
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US109224-Improvement in paper-feeding machines (3).jpg 1,826 × 2,907; 944 KB
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US109224-Improvement in paper-feeding machines (4).jpg 1,782 × 2,951; 1.37 MB
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US109224-Improvement in paper-feeding machines (5).jpg 1,843 × 2,885; 866 KB
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US220925-Paper bag machine (1).jpg 1,977 × 3,059; 1.24 MB
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US220925-Paper bag machine (2).jpg 1,956 × 3,038; 984 KB
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US220925-Paper bag machine (3).jpg 1,965 × 3,057; 1.13 MB
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US220925-Paper bag machine (4).jpg 1,948 × 3,083; 1.19 MB
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US220925-Paper bag machine (5).jpg 1,954 × 3,084; 983 KB
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US220925-Paper bag machine (6).jpg 1,905 × 3,022; 909 KB
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US436358-Sole cutting machine (1).jpg 2,053 × 3,075; 1,021 KB
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US436358-Sole cutting machine (2).jpg 1,964 × 3,039; 1.27 MB
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US436358-Sole cutting machine (3).jpg 2,043 × 3,071; 1.33 MB
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US494784-Sole cutting machine (1).jpg 1,860 × 2,977; 997 KB
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US494784-Sole cutting machine (2).jpg 1,986 × 2,966; 1.39 MB
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US494784-Sole cutting machine (3).jpg 1,857 × 2,958; 848 KB
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US519333-Window frame with sash (1).jpg 1,872 × 3,012; 1.31 MB
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US519333-Window frame with sash (2).jpg 1,814 × 2,922; 1.2 MB
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US521413-Reel (1).jpg 1,843 × 3,035; 864 KB
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US521413-Reel (2).jpg 2,053 × 2,974; 1.11 MB
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US521413-Reel (3).jpg 1,854 × 2,954; 824 KB
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US521413-Reel (4).jpg 1,822 × 2,957; 846 KB
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US527205-numbering machine (1).jpg 1,901 × 2,895; 1.38 MB
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US527205-numbering machine (2).jpg 1,964 × 2,946; 1.59 MB
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US527205-numbering machine (3).jpg 1,778 × 2,934; 918 KB
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US716903-Compound rotary engine (1).jpg 1,904 × 2,981; 1.61 MB
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US716903-Compound rotary engine (2).jpg 1,953 × 3,003; 3.1 MB
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US716903-Compound rotary engine (3).jpg 1,833 × 2,953; 890 KB
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US716903-Compound rotary engine (4).jpg 1,868 × 2,975; 2.51 MB
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US716903-Compound rotary engine (5).jpg 1,822 × 2,937; 1.61 MB
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US716903-Compound rotary engine (6).jpg 1,813 × 2,929; 1.56 MB
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US716903-Compound rotary engine (7).jpg 1,743 × 2,926; 1.12 MB
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US716903-Compound rotary engine (8).jpg 1,713 × 2,897; 661 KB
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US717869-Rotary engine (1).jpg 1,904 × 2,968; 2.73 MB
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US717869-Rotary engine (2).jpg 1,936 × 2,900; 2.18 MB
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US717869-Rotary engine (3).jpg 1,939 × 2,936; 2.1 MB
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US717869-Rotary engine (4).jpg 1,911 × 2,915; 950 KB
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US720818-Rotary engine. (1).jpg 1,824 × 2,906; 2.19 MB
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US720818-Rotary engine. (2).jpg 1,800 × 2,949; 2.02 MB
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US720818-Rotary engine. (3).jpg 1,893 × 2,939; 2.17 MB
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US720818-Rotary engine. (4).jpg 1,847 × 2,904; 1.26 MB
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US720818-Rotary engine. (5).jpg 2,058 × 2,933; 1.16 MB
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US743293-Automatic tool for boring or planing concave or cylindroidal surfaces (1).jpg 1,775 × 2,995; 1.16 MB
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US743293-Automatic tool for boring or planing concave or cylindroidal surfaces (2).jpg 1,829 × 2,921; 1.35 MB
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US743293-Automatic tool for boring or planing concave or cylindroidal surfaces (3).jpg 1,815 × 2,966; 985 KB
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US743293-Automatic tool for boring or planing concave or cylindroidal surfaces (4).jpg 1,781 × 2,929; 1.22 MB