| Patents Granted on 1961-04-11 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,978,803 | Apr. 11, 1961 | L.F. Davies | Hand Press for Installing Bushings in Excavator Booms and the Like | industrial presses |
| 2,978,843 | Apr. 11, 1961 | B.H. Johnson, F.E. Birtch | Apparatus for Grinding Double-Enveloping Worm Elements | gear grinding machines |
| 2,978,965 | Apr. 11, 1961 | J.N. Flannery, J.B. Armitage | Torque Limiting Control | milling machines |
| 2,978,966 | Apr. 11, 1961 | H.F. Swenson | Milling Machine Device | milling machine accessories |
| 2,978,976 | Apr. 11, 1961 | M.W. Hazelton, R.E. Griesheimer, C.J. Ostendorf | Level control for press brakes and the like | sheet metal brakes |
| 2,979,102 | Apr. 11, 1961 | J.E. Brussock, H.C. Ferguson | Straightening Tool | |
