| All Patents in class 192/43.1 |
Patents 1 -
10
of 91
      |
| Picture | Number | Date | Patentee | Title |
 | 139,006 | May 20, 1873 | S.W. Hemenway | Improvement in Auger Handles |
 | 175,151 | Mar. 21, 1876 | F.P. Pfleghar | Ratchet bit-brace |
 | 193,301 | Jul. 17, 1877 | M. Vassar, II | Ratchet-Wrench |
| | 198,292 | Dec. 18, 1877 | W. Guthrie | Jack Screw |
 | 210,942 | Dec. 17, 1878 | G.E. Gay | Improvement in Ratchet Screwdrives |
| | 218,714 | Aug. 19, 1879 | C.G. Cooper | Traction Engine |
 | 260,359 | Jul. 04, 1882 | C.E. Billings | Ratchet Drill |
 | 279,271 | Jun. 12, 1883 | J.F. Simpson, F.E. Okie | Wrench |
 | 283,801 | Aug. 28, 1883 | D.V. Miller | Improvement in Ratchet-Wrenches |
 | 283,844 | Aug. 28, 1883 | C.H. Amidon | Bit-stock |
