| All Patents in class 403/81 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 105,507 | Jul. 19, 1870 | A.P. Stephens | Improvement in vises | bench vises |
| 148,670 | Mar. 17, 1874 | J. Donaldson, W.L. Collins | Regulators for Governors to Steam-Engines | steam engine governors |
| 241,236 | May 10, 1881 | F.A. Pratt | Adjustable lever | cranes |
| 264,859 | Sep. 26, 1882 | J.C. Butterfield | Atmospheric hammer | drop hammers |
| 292,927 | Feb. 05, 1884 | C.E. Lipe | Index-head for milling-machines | milling machine accessories |
| 299,889 | Jun. 03, 1884 | W.M. Whiting | Vise | hand vises |
| 539,031 | May 14, 1895 | W.F. Born | Pipe Wrench | screw adjust wrenches |
| 606,270 | Jun. 28, 1898 | J. Brown | Wrench | pipe and nut combination wrenches |
| 854,418 | May 21, 1907 | S.S. Hall | Engine-governor | steam engine governors |
| 937,993 | Oct. 26, 1909 | S.S. Hall | Engine Governor | steam engine governors |
| 1,431,634 | Oct. 10, 1922 | G. Clements | Adjustable rear support for vacuum cleaners | handheld power blowers |
| 1,975,215 | Oct. 02, 1934 | U.G. Thomas | Tool Holder | drilling and boring tool holders |
| 2,124,006 | Jul. 19, 1938 | J.W. Parker | Dial Test Indicator | test indicators |
