| All Patents in class 279/71 |
Patents 16 -
29
of 29
      |
| Number | Date | Patentee | Title | Type |
| 581,427 | Apr. 27, 1897 | S. Olson | Nut Wrench | ratchet wrenches |
| 589,608 | Sep. 07, 1897 | W.H. Mohr | Bit-holder | |
| 599,968 | Mar. 01, 1898 | A.D. Laws | Screw Cutting Device | taps and dies |
| 690,764 | Jan. 07, 1902 | O.A. Parpart | Drill-socket | drill press chucks |
| 981,724 | Jan. 17, 1911 | L.H. Vold | Automatic Chuck for Boring and Turning Mills | vertical boring mills |
| 1,046,237 | Dec. 03, 1912 | V.J. Wahlstrom | Drill and chuck | |
| 2,140,303 | Dec. 13, 1938 | F.R. Swanson | Chuck | |
| 2,335,721 | Nov. 30, 1943 | F.G. Zagar | Indexing chuck | indexers and dividers |
| 2,360,908 | Oct. 24, 1944 | A.M. Stoner | Collet chuck | metal lathe chucks |
| 2,403,768 | Jul. 09, 1946 | A.M. Stoner | Double-acting collet chuck | metal lathe chucks |
| 2,466,651 | Apr. 05, 1949 | F.G. Zagar | Chuck | metal lathe chucks |
| 2,701,724 | Feb. 08, 1955 | G.T. Harris | Collet chuck | metal lathe chucks |
| 2,729,458 | Jan. 03, 1956 | E.P. Sacrey | Coupling structure | handheld routers |
| 5,315,902 | May 31, 1994 | E. Morales, L. Ragland | Stud removing tool | stud extractors |
