Category:United States Patent and Trademark Office documents
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Media in category "United States Patent and Trademark Office documents"
The following 200 files are in this category, out of 3,980 total.
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Drawing for a Calculating Machine - NARA - 595511 (page 1).jpg 2,231 × 3,150; 1.08 MB
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Drawing for a Calculating Machine - NARA - 595511 (page 2).jpg 2,246 × 3,150; 1.12 MB
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Drawing for a Calculating Machine - NARA - 595511 (page 3).jpg 2,189 × 3,150; 1.2 MB
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Drawing for a Calculating Machine - NARA - 595511 (page 4).jpg 2,209 × 3,150; 937 KB
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Drawing for a Calculating Machine - NARA - 595511 (page 5).jpg 2,232 × 3,150; 938 KB
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Drawing for a Calculating Machine - NARA - 595511 (page 6).jpg 2,215 × 3,150; 858 KB
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Drawing for a Collapsible Toy House - NARA - 594404.jpg 844 × 1,200; 127 KB
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Drawing for a Submarine Boat - NARA - 595508.jpg 844 × 1,200; 118 KB
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Drawing for an Improvement in Telegraphy - NARA - 595437 (page 1).jpg 852 × 1,200; 108 KB
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Drawing for an Improvement in Telegraphy - NARA - 595437 (page 2).jpg 864 × 1,200; 116 KB
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Mamati.jpg 412 × 574; 24 KB