Category:US National Archives series: Patent Case Files, 1/1/1836 - 12/31/1978
Media in category "US National Archives series: Patent Case Files, 1/1/1836 - 12/31/1978"
The following 7 files are in this category, out of 7 total.
-
Drawing for a Collapsible Toy House - NARA - 594404.jpg 844 × 1,200; 127 KB
-
Drawing for a Submarine Boat - NARA - 595508.jpg 844 × 1,200; 118 KB
-
Patent Drawing for Joseph F. Glidden's Improvement to Barbed Wire - NARA - 302051.jpg 2,303 × 3,375; 841 KB
-
Patent Drawing for Joseph F. Glidden's Improvement to Barbed Wire - NARA - 302051.tif 2,303 × 3,375; 22.24 MB