| All Patents in class 451/340 |
Patents 46 -
59
of 59
      |
| Number | Date | Patentee | Title | Type |
| 2,238,704 | Apr. 15, 1941 | P.V. Miller | Surface Grinding Machine | surface grinders |
| 2,242,781 | May 20, 1941 | V.W. Gideon | Grinding Machine | grinding machines |
| 2,252,877 | Aug. 19, 1941 | C. Baldenhofer | Way Grinding Machine | surface grinders |
| 2,337,223 | Dec. 21, 1943 | J.B. Armitage | Machine Tool Transmission and Control Mechanism | milling machines |
| 2,386,283 | Oct. 09, 1945 | E.A. Reibig, C.A. Wiken | Machine tool | surface grinders |
| 2,415,158 | Feb. 04, 1947 | E.M. Bowen | Machine Tool | milling machines |
| RE22,929 | Oct. 21, 1947 | R.F. Bannow | Adapter with Swivel Joint | milling machines |
| 2,683,335 | Jul. 13, 1954 | J.J. Strnad | Base for crankshaft grinder | crankshaft maintenance |
| 2,881,569 | Apr. 14, 1959 | H.B. Van Auken, J.J. Strnad | Grinding machine | gasket surface maintenance |
| 2,952,949 | Sep. 20, 1960 | P. Maker | Grinding machine | grinders |
| 2,960,804 | Nov. 22, 1960 | S.G. Brady | Machine for Grinding the Back-Off from the Cutting Edges of Tools of the Broach Type | broach sharpening machines |
| 2,997,900 | Aug. 29, 1961 | L.E. Pugsley | Multipurpose tool fixture | handheld power drill guides |
| 3,623,275 | Nov. 30, 1971 | C.G. Koella | Composite Abrasive Finishing Tool | gear cutting tools |
| 5,505,655 | Apr. 09, 1996 | L.C. Brickner, X. Lei, J.L. Haffely | Adjustable tool platform and an abrading machine including the same | |
