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| Patents for Robert C. Totten | |||||
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| Number | Title | Classification(s) | |||
| 52,244 | Improvement in Lathes for Turning Spherical Shot and Shell | 451/284, 82/12 | |||
| 561,305 | Tool For Handling Drill Bits, etc. | 81/119 | |||
| 640,831 | Monkey Wrench | 81/145, 81/174, 81/DIG.4 | |||
| 651,313 | Oil Can | 222/149, 222/518 | |||
| 684,452 | Beam Compass | 33/27.03 | |||
| 758,526 | Rail-joint bridge-piece | 238/213 | |||
| 825,648 | Violin-Makers' Calipers | 33/542 | |||
| 953,346 | Wrench | 81/159, 81/165, 81/178, 81/186 | |||
| 1,254,141 | Gage | 73/303 | |||