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| Patents for Nelson H. Copp | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,126,970 | Feb. 02, 1915 | W.F. Folmer | Saw Guard | |
 | 1,139,079 | May 11, 1915 | H.C. Sievers | Method of and Device for Holding Photographic Film Sheets | |
 | 1,146,858 | Jul. 20, 1915 | W.F. Folmer | Holder for Photographic Sensitized Material | |
 | 1,203,608 | Nov. 07, 1916 | E.W. Bullock, A.L. Stewart, J.E. Gleason | Gear Cutting Machine | |
 | 1,221,303 | Apr. 03, 1917 | W.F. Folmer | Gear Cutting Machine | |