| All Patents in class 82/1.3 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 75,816 | Mar. 24, 1868 | F. Vester | Parser/Bifurcated Bit |
| | 200,285 | Feb. 12, 1878 | J. Hall | Boring and Drilling Apparatus |
| | 291,137 | Jan. 01, 1884 | E.H. Bieber | Device for Drilling Square Holes |
| | 324,331 | Aug. 11, 1885 | J. Lyall | Machine for Cutting Metal Ovals |
| | 456,258 | Jul. 21, 1891 | A.F. Daniels, D.B. Hutton | Drill for Drilling Square Holes |
| | 473,027 | Apr. 19, 1892 | W.J. Smith | Machine for Boring and Shaping |
| | 485,233 | Nov. 01, 1892 | W.J. Smith | Machine for Boring Non Circular Holes |
| | 638,712 | Dec. 12, 1899 | C.P. Higgins | Rabbeting Machine for Oval Hand Holes |
| | 1,000,604 | Aug. 15, 1911 | N.A. Jennet | Drill Press |
| | 1,356,571 | Oct. 26, 1920 | C. Ungerman | Floating Chuck |
