| All Patents in class 74/89.45 |
Patents 16 -
22
of 22
      |
| Number | Date | Patentee | Title | Type |
| 2,402,778 | Jun. 25, 1946 | C.T. Rottler | Micrometer | micrometers |
| 2,565,628 | Aug. 28, 1951 | P.F. Ravilious | Differential Screw Adjustment | metalworking machines |
| 2,792,036 | May 14, 1957 | R.A. Buttke | Planer and attachments therefor | wood planers |
| 2,970,495 | Feb. 07, 1961 | D.D. Pettigrew | Work Rests for Lathes and the Like | metal lathe accessories and attachments |
| 3,789,896 | Feb. 05, 1974 | E. Cooke-Yarborough | Screw drivers and like tools | spiral screwdrivers |
| 5,056,375 | Oct. 15, 1991 | B.D. Wixey, K. Kapton, S.O. Sutton | Spindle adjustment mechanism | |
| 5,146,807 | Sep. 15, 1992 | C.J. Baird, R.L. Wilson, K. Kapton, B.D. Wixey | Bell crank actuated spindle adjustment mechanism | |
