All Patents in class 82/1.5 |
Patents 16 -
25
of 25
|
Number | Date | Patentee | Title | Type |
994,457 | Jun. 06, 1911 | G.W. Green | Variable Diameter Brace-Bit for Boring Wood | adjustable drill bits |
1,989,227 | Jan. 29, 1935 | C.C. Craley | Boring Tool | drill press accessories |
2,040,761 | May 12, 1936 | A. Rothschmitt | Spherical Boring Head | boring heads |
2,517,738 | Aug. 08, 1950 | C. Tree | Taper Boring Head | boring heads |
2,620,689 | Dec. 09, 1952 | S.A. Cogsdill | Deburring Tool Having a Slender Body for Projecting Into an Aperture | deburring tools |
2,641,146 | Jun. 09, 1953 | C.E. Dilts | Boring and Turning Machine | boring and turning machines |
2,775,147 | Dec. 25, 1956 | T.E. Crawford, E. Schneebeli | Taper Boring Device | vertical boring mills |
2,808,745 | Oct. 08, 1957 | R.E. Blomquist, W.S. Swanson | Chamfering machine | |
2,841,053 | Jul. 01, 1958 | H. Horlacher | Tracer Controlled Angular Cutter | milling machine cutters |
2,932,196 | Apr. 12, 1960 | J.J. Sledz | Internal Recessing Tool and Holder Therefor | drilling and boring tool holders |