| All Patents in class 408/121 |
Patents 46 -
60
of 67
      |
| Number | Date | Patentee | Title | Type |
| 295,694 | Mar. 25, 1884 | J.H. Vinton | Ratchet-drill | ratchet drills |
| 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 |
| RE10,502 | Jul. 29, 1884 | S. Gardner | Ratchet Drill | ratchet drills |
| RE10,503 | Aug. 05, 1884 | W. Brede | Ratchet Drill | ratchet drills |
| 306,376 | Oct. 14, 1884 | W.J. Armstrong | Attachment For Ratchet-Wrenches | |
| 314,059 | Mar. 17, 1885 | T. Scheffler | Metal Drilling Tool | ratchet drills |
| 320,053 | Jun. 16, 1885 | W. Dowell | Drilling machine | drilling and boring |
| 320,185 | Jun. 16, 1885 | R.S. Colomon | Friction Drilling Brace | ratchet drills |
| 366,965 | Jul. 19, 1887 | A. Loehner | Combined Ratchet Drill and Die Stock | tap wrenches and die stocks |
| 371,452 | Oct. 11, 1887 | S. Harris | Ratchet Drill | hand drills |
| 376,757 | Jan. 24, 1888 | J.L. Shorrock | Drill Brace | ratchet drills |
| 446,073 | Feb. 10, 1891 | C.H. Myers | Ratchet Wrench & Drill | wrench combination tools |
| 541,980 | Jul. 02, 1895 | W.J. McGehe | Metal Drill | rail drilling machines |
| 605,893 | Jun. 21, 1898 | P. Mueller | Pipe-reamer | plumber |
