Patents Granted on 1937-03-23 |
Patents 1 -
7
of 7
|
Number | Date | Patentee | Title | Type |
D103,676 | Mar. 23, 1937 | G.O. Leopold, T.J. Fegley | Design for a Screw Driver | screwdrivers |
2,074,371 | Mar. 23, 1937 | J. Cummings, E.H. Sheldon | Drawer guide | |
2,074,396 | Mar. 23, 1937 | W.H. Howe | Impedance Variation Amplifier | machine tool controls |
2,074,545 | Mar. 23, 1937 | T.G. Louis, K.A. Harmon | Magneto | ignition systems |
2,074,597 | Mar. 23, 1937 | R.E. Stark | Aerating apparatus | |
2,074,844 | Mar. 23, 1937 | C.H. Hill | Metalworking Machine | metal lathe accessories and attachments |
2,074,961 | Mar. 23, 1937 | W.G. Hoelscher | Machine tool feeding mechanism | metal lathes |