Category:1908 patents
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Media in category "1908 patents"
The following 5 files are in this category, out of 5 total.
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Patent Drawing for T. Newman's Poison Warning Bottle - NARA - 7369165 (page 2).pdf 1,518 × 2,262; 625 KB
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Patentschrift 220485 Wilhelm Wiegand.jpg 4,710 × 6,460; 4.42 MB
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Taylor trompe patent US892772.png 2,448 × 4,180; 721 KB