| All Patents in class 408/108 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 312,530 | Feb. 17, 1885 | R. Triller | Tenoning and boring machine |
 | 342,688 | May 25, 1886 | J. Ernst | Boring-machine |
 | 992,500 | May 16, 1911 | A.A. Harvie | Mortising and Centering Device |
 | 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 |
 | 1,621,061 | Mar. 15, 1927 | R.L. Carter | Door-mortising machine |
 | 1,738,227 | Dec. 03, 1929 | R.L. Carter | Mortising machine |
| | 3,494,388 | Feb. 10, 1970 | L.C. Jenkins, V.O. Sanders | Turning and Boring Head |
 | 5,174,693 | Dec. 29, 1992 | R.C. Lee, L.G. Lee, F.A. McLean | Drilling jig |
