| All Patents in class 144/231 |
Patents 46 -
56
of 56
      |
| Number | Date | Patentee | Title | Type |
| 1,336,466 | Apr. 13, 1920 | J.M. Lamb | Tool Holder or Tool | drilling and boring tool holders |
| 1,368,403 | Feb. 15, 1921 | W.M. Knourek | Knife-holder for shapers | cutterheads |
| 1,380,686 | Jun. 07, 1921 | J.S. Stull | Cutter-head | cutterheads |
| 1,635,732 | Jul. 12, 1927 | J.J. Witt | Molding cutter | cutterheads |
| 1,745,701 | Feb. 04, 1930 | O.A. Miller | Cutter and Shaper Head | cutterheads |
| 1,782,243 | Nov. 18, 1930 | F.S. McQueston | Cutter spindle | wood shapers |
| 1,820,231 | Aug. 25, 1931 | F.L. Lane | Cutter head | cutterheads |
| 2,298,723 | Oct. 13, 1942 | T.A. Rice | Safety collar | molders |
| 2,777,486 | Jan. 15, 1957 | A.D. Glover | Rotatable Tool Holder for Lathe-Type Rotary Cutting Tools | wood lathe tools |
| 2,963,060 | Dec. 06, 1960 | H.S. Walther | Adjustable cutter head | cutterheads |
| 5,146,963 | Sep. 15, 1992 | R.M. Bayly, C.T. Carpenter | Chipping Device | insert tool holders |
