| All Patents in class 408/233 |
Patents 31 -
41
of 41
      |
| Number | Date | Patentee | Title | Type |
| 1,158,532 | Nov. 02, 1915 | J. Moles | Commutator Turning Tool | commutator truing tools |
| 1,275,889 | Aug. 13, 1918 | E.J. Flander | Bit With Detachable/Interchangable Cutters | adjustable drill bits |
| 1,395,936 | Nov. 01, 1921 | G.F. York | Thread Remover | tire repair tools |
| 2,227,281 | Dec. 31, 1940 | H.J. Smith | Tap | taps and dies |
| 2,360,385 | Oct. 17, 1944 | C.A. Anderson | Drill | drill bits |
| 2,469,543 | May 10, 1949 | T.M. Bondhus | Counterboring device | drill bits |
| 2,681,673 | Jun. 22, 1954 | B.A. Mackey | Drill bit | wood drill bits |
| 2,752,965 | Jul. 03, 1956 | B.A. Mackey | Drill bit construction | wood drill bits |
| 2,995,963 | Aug. 15, 1961 | J.A. Lavallee | Shell reamers | reamers |
| 3,292,238 | Dec. 20, 1966 | C.B. De Vlieg, A.N. Sweeny | Adjustable cutting tool | boring bars |
| 5,110,240 | May 05, 1992 | L.O. Kern, J.G. Zeilinger | Apparatus for Coupling Tool Holders | metalworking machine tool holders |
