| Patents for G. A. Gray Co. |
Patents 16 -
30
of 37
      |
| Number | Date | Patentee | Title | Type |
| 1,739,501 | Dec. 17, 1929 | H.W. Hunt, F.E. Cardullo | Planer Head | metal planer accessories |
| 1,954,079 | Apr. 10, 1934 | H.W. Hunt | Clutch operating mechanism for machine tool feed control devices | metal planers |
| 1,970,810 | Aug. 21, 1934 | A. Marx, H.W. Hunt | Planer | metal planers |
| 1,976,713 | Oct. 09, 1934 | F.E. Cardullo | Rail elevating and clamping device | metal planers |
| 1,982,856 | Dec. 04, 1934 | F.E. Cardullo | Mechanism for controlling the movements of a head or carriage of a machine tool | metal planers |
| 2,007,180 | Jul. 09, 1935 | F.E. Cardullo, J.E. Doran, J.M. Walter | Device for moving a machine member or other part, by power means, an exact distance or to an exact position | milling machines |
| 2,033,749 | Mar. 10, 1936 | J.M. Walter | Milling machine head | milling machines |
| 2,079,004 | May 04, 1937 | J.E. Doran | Method for regulating the rate of feed of a milling machine or other machine tool having a plurality of driving motors | milling machines |
| 2,079,735 | May 11, 1937 | J.E. Doran | Control mechanism for milling planers or other machines | milling machines |
| 2,095,207 | Oct. 05, 1937 | J.M. Walter | Planetary gearing | milling machines |
| 2,129,049 | Sep. 06, 1938 | J.E. Doran | Means for regulating the rate of feed of a milling machine or other machine tool | milling machines |
| 2,188,568 | Jan. 30, 1940 | J.E. Doran | Rail leveling mechanism for planers and the like | metal planers |
| 2,204,874 | Jun. 18, 1940 | J.M. Walter | Planer and the Like | metal planers |
| 2,215,140 | Sep. 17, 1940 | J.M. Walter | Planetary tool feed | milling machines |
| 2,215,627 | Sep. 24, 1940 | J.M. Walter | Machine tool drive | milling machines |
