| All Patents in class 192/43.1 |
Patents 1 -
15
of 91
      |
| Number | Date | Patentee | Title | Type |
| 139,006 | May 20, 1873 | S.W. Hemenway | Improvement in Auger Handles | |
| 175,151 | Mar. 21, 1876 | F.P. Pfleghar | Ratchet bit-brace | ratchet braces |
| 193,301 | Jul. 17, 1877 | M. Vassar, II | Ratchet-Wrench | ratchet wrenches |
| 198,292 | Dec. 18, 1877 | W. Guthrie | Jack Screw | jack screws |
| 210,942 | Dec. 17, 1878 | G.E. Gay | Improvement in Ratchet Screwdrives | ratcheting screwdrivers |
| 218,714 | Aug. 19, 1879 | C.G. Cooper | Traction Engine | steam traction engines |
| 260,359 | Jul. 04, 1882 | C.E. Billings | Ratchet Drill | hand drills |
| 279,271 | Jun. 12, 1883 | J.F. Simpson, F.E. Okie | Wrench | ratchet wrenches |
| 283,801 | Aug. 28, 1883 | D.V. Miller | Improvement in Ratchet-Wrenches | ratchet wrenches |
| 283,844 | Aug. 28, 1883 | C.H. Amidon | Bit-stock | ratchet braces |
| 293,957 | Feb. 19, 1884 | R.C. Ellrich | Pawl and ratchet | braces |
| 294,762 | Mar. 11, 1884 | W.R. Clarkson | Ratchet bit-brace | ratchet braces |
| 295,797 | Mar. 25, 1884 | A.E. Osborn | Ratchet Wrench | ratchet wrenches |
| 330,774 | Nov. 17, 1885 | F. Cronin | Ratcheting Auger Handle | auger handles |
| 344,160 | Jun. 22, 1886 | H.S. Brownson | Ratcheting Screwdriver | ratcheting screwdrivers |
