| All Patents in class 408/137 |
Patents 16 -
30
of 56
      |
| Number | Date | Patentee | Title | Type |
| 259,147 | Jun. 06, 1882 | F.L. Heughes | Hand drilling-machine | drill presses |
| 261,044 | Jul. 11, 1882 | J. Richards | Metal-drilling machines | drill presses |
| 265,624 | Oct. 10, 1882 | H. Mueller | Machine For Tapping Mains | auxiliary wrenches |
| 293,930 | Feb. 19, 1884 | C.V. Woerd | Machine for Threading Sectional Leading Screws | metal threading machines |
| 296,924 | Apr. 15, 1884 | R.N. Cherry | Self Feeding Ratchet Drill | ratchet drills |
| 297,171 | Apr. 22, 1884 | C. Schumacher | Ratchet Drill | ratchet drills |
| 320,053 | Jun. 16, 1885 | W. Dowell | Drilling machine | drilling and boring |
| 324,380 | Aug. 18, 1885 | J.R. Hunt | Saw Gummer | saw gummers |
| 344,566 | Jun. 29, 1886 | J.H. Cluever | Corkscrew | mechanical cork extractors |
| 369,120 | Aug. 30, 1887 | J. Moffet | Portable drilling-machine | portable metal boring and drilling machines |
| 374,945 | Dec. 20, 1887 | F.B. Deming | Hub-Boring Machine | |
| 422,569 | Mar. 04, 1890 | W.E. Canedy | Drilling-machine | blacksmith |
| 434,576 | Aug. 19, 1890 | H.B. Wyman | Drilling Machine | stone boring and drilling machines |
| 437,047 | Sep. 23, 1890 | J.N. Sargent | Vise | bench vises |
| 439,567 | Oct. 28, 1890 | F. Schoff | Corner Drill Press | drill presses |
