| Patents for Thompson Grinder Co. |
Patents 31 -
45
of 90
      |
| Number | Date | Patentee | Title | Type |
| 2,424,347 | Jul. 22, 1947 | J.C. Wilson | Machine Tool for Cutting Surfaces of Irregular Shape | surface grinders |
| 2,426,807 | Sep. 02, 1947 | J.C. Wilson | Apparatus for Shaping Workpieces by Grinding | grinding attachments |
| 2,436,466 | Feb. 24, 1948 | J.C. Wilson | Method and Apparatus for Grinding and Lapping | surface grinders |
| 2,438,239 | Mar. 23, 1948 | H.A. Toulmin, Jr. | Ball Grinding Machine | grinding machines |
| 2,456,762 | Dec. 21, 1948 | J.C. Wilson | Apparatus for Crush Dressing Grinding Wheels | grinder dressers |
| 2,457,383 | Dec. 28, 1948 | F.G. Krafft | Apparatus for grinding | grinders |
| 2,473,670 | Jun. 21, 1949 | J.C. Wilson | Grinding Machine | surface grinders |
| 2,482,302 | Sep. 20, 1949 | O.M. Summers | Filtering System | coolant apparatus |
| 2,495,492 | Jan. 24, 1950 | J.C. Wilson | Apparatus for Crush Dressing Grinding Wheels | grinder dressers |
| 2,503,646 | Apr. 11, 1950 | J.C. Wilson | Apparatus for Dressing a Grinding Wheel to a Predetermined Configuration | grinder dressers |
| 2,518,835 | Aug. 15, 1950 | O.M. Summers | Filter system | coolant apparatus |
| 2,534,941 | Dec. 19, 1950 | W.G. Baldenhofer | Method and apparatus for grinding | profile and contour grinders |
| 2,535,183 | Dec. 26, 1950 | J.C. Wilson | Grinding Wheel Dressing Apparatus | grinder dressers |
| 2,535,184 | Dec. 26, 1950 | J.C. Wilson | Method and Apparatus for Supplying Coolant to Grinding Wheels | coolant apparatus |
| 2,554,079 | May 22, 1951 | J.C. Wilson | Method and Apparatus for Continuous Form Grinding | surface grinders |
