| All Patents in class 81/33 |
Patents 16 -
30
of 60
      |
| Number | Date | Patentee | Title | Type |
| 309,902 | Dec. 30, 1884 | J. Watson | Bit-stock | |
| 315,137 | Apr. 07, 1885 | F.L. Hamlen, Z.T. Furbish | Ratchet Screw-Driver | ratcheting screwdrivers |
| 319,159 | Jun. 02, 1885 | E.H. Whitney | Ratchet mechanism with cam action | |
| 323,145 | Jul. 28, 1885 | C. Hermann | Ratchet Tool (Auger) Handle | auger handles |
| 328,649 | Oct. 20, 1885 | J. Chantrell | Bit-brace | |
| 330,774 | Nov. 17, 1885 | F. Cronin | Ratcheting Auger Handle | auger handles |
| 336,560 | Feb. 23, 1886 | J.S. Fray | Screw-Driver | ratcheting screwdrivers |
| 342,727 | May 25, 1886 | J.A. Bolen | Ratchet bit-brace | ratchet braces |
| 346,058 | Jul. 20, 1886 | T.G. Mouat | Improvement in Ratchet Screw-Drivers | ratchet wrenches |
| 364,422 | Jun. 07, 1887 | G.M. LaForge | Ratchet Auger Handle | auger handles |
| 374,185 | Dec. 06, 1887 | W.B. Gilmore | Bit-stock | |
| 384,865 | Jun. 19, 1888 | H.N. Parker | Pawl and ratchet coupling for bit-braces, etc. | |
| 417,564 | Dec. 17, 1889 | A.A. Kent | Bit-stock | hand drills |
| 418,167 | Dec. 31, 1889 | T.E. Copelin | Screwdriver | screwdrivers |
| 446,075 | Feb. 10, 1891 | C.H. Myers | Combined Ratchet Wrench & Boring Bit | wrench combination tools |
