| All Patents in class 74/548 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 65,114 | May 28, 1867 | B.F. Perkins | Vise Handle Holder | bench vises |
| 72,327 | Dec. 17, 1867 | H.K. Porter, T.W. Porter | Improvement in vises | bench vises |
| 76,410 | Apr. 07, 1868 | S. Darling | Vise Handle Holder | bench vises |
| RE5,653 | Nov. 11, 1873 | H.K. Porter, T.W. Porter | Improvement in vises | bench vises |
| 304,102 | Aug. 26, 1884 | C. Hermann | Ratchet Tool Handle | auger handles |
| 825,273 | Jul. 03, 1906 | R.G. Henry | Feed mechanism for drill-spindles | drill presses |
| 964,506 | Jul. 19, 1910 | W.R. Fox | Miter-cutting machine | miter machines |
| 1,018,080 | Feb. 20, 1912 | H.P. Reston | Safety Ratchet-Lever | metalworking machine mechanisms |
| 1,189,606 | Jul. 04, 1916 | W.L. Miller | Safety Crank for Shafts | metalworking machine mechanisms |
| 1,812,871 | Jul. 07, 1931 | B.P. Graves | Variable Speed Controller Mechanism | machine tool controls |
| 2,672,064 | Mar. 16, 1954 | D. Firth | Screw and handle assembly | bench vises |
| 2,995,961 | Aug. 15, 1961 | B.S. Eldridge, E.C. Warrick | Adjustable manual feed | drill presses |
