| All Patents in class 408/103 |
Patents 16 -
30
of 34
      |
| Number | Date | Patentee | Title | Type |
| 247,258 | Sep. 20, 1881 | J.R. Locke | Method of and machine for boring fellies | wheelwright |
| 397,311 | Feb. 05, 1889 | F. Schoff | Drilling-machine | portable metal drilling machines |
| 580,273 | Apr. 06, 1897 | W.W. Grier | Boring and doweling machine | drilling and boring |
| 629,294 | Jul. 18, 1899 | G.H. Heady | Lock- mortising machine | mortising machines |
| 1,356,394 | Oct. 19, 1920 | G.E. Norris | Mortising-machine | portable timber mortisers |
| 1,633,370 | Jun. 21, 1927 | S. Hunter | Door-lock-mortising machine | mortising machines |
| 1,642,723 | Sep. 20, 1927 | H. de Wallace | Mortising machine | mortising machines |
| 1,698,827 | Jan. 15, 1929 | M. Skolnik | Mortising machine | mortising machines |
| 1,718,324 | Jun. 25, 1929 | F.W. Wappat | Mortising machine | mortising machines |
| 1,858,677 | May 17, 1932 | E.J. McKnight | Multiple spindle boring machine | wood drilling and boring |
| 2,129,485 | Sep. 06, 1938 | H.W. Zimmerman | Boring machine | boring and turning machines |
| 2,148,156 | Feb. 21, 1939 | A. Hagopian | Combined Parallel Work Support and Clamp | machinist vises |
| 2,269,727 | Jan. 13, 1942 | T.E. Mead | Mechanism for holding work on drill presses | work holding |
| 3,109,466 | Nov. 05, 1963 | B.E. Jones | Combination bench router fixture | handheld routers |
| 3,185,470 | May 25, 1965 | B.R. Zitner | Universal work clamping fixtures for machine tools | drill press accessories |
