| All Patents in class 82/1.3 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 75,816 | Mar. 24, 1868 | F. Vester | Parser/Bifurcated Bit | drill bits |
| 200,285 | Feb. 12, 1878 | J. Hall | Boring and Drilling Apparatus | boring heads |
| 291,137 | Jan. 01, 1884 | E.H. Bieber | Device for Drilling Square Holes | drill bits |
| 324,331 | Aug. 11, 1885 | J. Lyall | Machine for Cutting Metal Ovals | drill press accessories |
| 456,258 | Jul. 21, 1891 | A.F. Daniels, D.B. Hutton | Drill for Drilling Square Holes | drill bits |
| 473,027 | Apr. 19, 1892 | W.J. Smith | Machine for Boring and Shaping | boring heads |
| 485,233 | Nov. 01, 1892 | W.J. Smith | Machine for Boring Non Circular Holes | boring and turning machines |
| 638,712 | Dec. 12, 1899 | C.P. Higgins | Rabbeting Machine for Oval Hand Holes | boiler repair tools |
| 1,000,604 | Aug. 15, 1911 | N.A. Jennet | Drill Press | drill presses |
| 1,356,571 | Oct. 26, 1920 | C. Ungerman | Floating Chuck | chucks |
| 2,182,478 | Dec. 05, 1939 | R.G. Jacobson | Boring Head | boring heads |
| 3,822,618 | Jul. 09, 1974 | A.A. Tomenceak | Contour Machining | milling machine cutters |
| 3,888,146 | Jun. 10, 1975 | A.A. Tomenceak | Contour Machining | form producing lathes |
| 3,902,278 | Sep. 02, 1975 | R.E. Crossman, H.R. Uhtenwoldt | Grinding Machine for Generating an Epitrochoidal Surface | profile and contour grinders |
| 3,978,765 | Sep. 07, 1976 | J.R. Scaduto | Internal and External Cutting Tool | milling machine cutters |
