Patents for Van Norman Co. |
Patents 1 -
10
of 17
      |
Picture | Number | Date | Patentee | Title |
| 2,334,581 | Nov. 16, 1943 | R.S. Pyne | Cross-feed for grinding machines |
| 2,370,580 | Feb. 27, 1945 | E.A. Allen, R.S. Pyne | Cross-feed mechanism for grinding machines |
| 2,381,687 | Aug. 07, 1945 | E.A. Allen, R.S. Pyne | Drive for oscillating grinders |
| 2,400,767 | May 21, 1946 | C. Melidoni, H. Gass | Grinding attachment |
| 2,412,937 | Dec. 24, 1946 | E.A. Allen | Boring head |
| 2,413,068 | Dec. 24, 1946 | R.S. Pyne | Diaphragm chuck |
| 2,416,996 | Mar. 04, 1947 | E.A. Allen, F.P. Healy | Boring bar guiding mechanism |
| 2,429,685 | Oct. 28, 1947 | F.P. Healy | Chuck for crankshaft grinders |
| 2,447,334 | Aug. 17, 1948 | F.P. Healy | Crankshaft regrinding chuck |
| 2,451,137 | Oct. 12, 1948 | C.E. White | Contour grinding machine for work pieces each having a hollow spherical section |