| All Patents in class 408/207 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 13,606 | Sep. 25, 1855 | E.R. Morrison, A. Wyckoff | Boring-machine |
 | 14,454 | Mar. 18, 1856 | C.H. Amidon, A.C. Hitchcock | Mortising-tool |
 | 118,806 | Sep. 12, 1871 | R.M. Lafferty, E.P. Smith | Improvement in augers |
 | 266,091 | Oct. 17, 1882 | H.F. Buecker | Bung-Hole Reamer |
 | 399,595 | Mar. 12, 1889 | F.T. Wyckoff | Auger-bit |
 | 586,419 | Jul. 13, 1897 | A. Collet | Tap for Cutting Wood Threads |
 | 724,520 | Apr. 07, 1903 | J.M. Taylor | Countersink |
 | 1,586,559 | Jun. 01, 1926 | L.K. Laursen | Countersink |
 | 1,655,836 | Jan. 10, 1928 | A.H. Hawkinson | Saw Toothed Wood Boring Bit |
| | 2,610,529 | Sep. 16, 1952 | W.H. Atkinson | Boring Head |
