| Patents for John H. Shumway |
Patents 1 -
15
of 29
      |
| Number | Title | Classification(s) |
| 51,967 | Improvement in Compasses and Calipers | 33/558.01 |
| 52,335 | Clutch | 192/25 |
| 55,704 | Improved Tack-Hammer | 7/137, 81/23 |
| 57,934 | Screw Gage | 33/629 |
| 61,503 | Improvement in shingle machines | 144/170 |
| 61,900 | Improvement in hubs for carriage-wheels | 301/83 |
| 67,644 | Improvement in ironing machines | 38/28, 38/46, D20/41 |
| 71,440 | Improvement in floor-clamps | 269/203, 269/210, 269/212 |
| 71,442 | Improvement in knife-sharpener | 76/86 |
| 71,983 | Improvement in clamps | 144/260, 269/174 |
| 75,198 | Improved bolt-heading machine | 470/110 |
| 77,347 | Improvement in nut machines | 470/89, 74/53 |
| 79,193 | Shears | 30/266 |
| 86,605 | Improvement in molding-machines | 144/231 |
| 88,214 | Improved bolt-heading machine | 470/141 |
