| Patents for F. A. Hopkins |
Patents 1 -
14
of 14
      |
| Number | Title | Classification(s) |
| 343,058 | Axle Cutter | 408/117, 408/28 |
| 361,055 | Micrometer Gage | 33/816 |
| 361,056 | Micrometer Gage for Internal & External Measurements | 33/704, 33/813 |
| 362,149 | Micrometer Gage | 33/796 |
| 364,913 | Micrometer Gage | 33/705, 33/817 |
| 402,364 | Improved instrument for taking azimuths, using a fully reflecting prism | 356/143 |
| 594,202 | Nail Puller | 254/24 |
| 604,813 | Shredding-knife | 144/186, 144/241, 30/493 |
| 613,748 | Drilling-machine | 144/92, 173/145, 74/841 |
| 680,730 | Lifting-jack | 254/95, 74/155 |
| 685,349 | Wrench | 81/148 |
| 737,655 | Lifting-jack | 254/95, 74/155 |
| 741,018 | Rotary engine | 418/191 |
| 857,992 | Cork-extractor | 81/3.33 |
