| All Patents in class 408/108 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 312,530 | Feb. 17, 1885 | R. Triller | Tenoning and boring machine | tenoning machines |
| 342,688 | May 25, 1886 | J. Ernst | Boring-machine | portable timber borers |
| 992,500 | May 16, 1911 | A.A. Harvie | Mortising and Centering Device | drill accessories |
| 1,122,910 | Dec. 29, 1914 | R.H. Grant | Multiple-drilling machine | |
| 1,476,611 | Dec. 04, 1923 | G. HInes | V Block Workholder or Drill Jig | V blocks |
| 1,621,061 | Mar. 15, 1927 | R.L. Carter | Door-mortising machine | mortising machines |
| 1,738,227 | Dec. 03, 1929 | R.L. Carter | Mortising machine | mortising machines |
| 3,494,388 | Feb. 10, 1970 | V.O. Sanders, L.C. Jenkins | Turning and Boring Head | vertical boring mills |
| 5,174,693 | Dec. 29, 1992 | R.C. Lee, L.G. Lee, F.A. McLean | Drilling jig | |
