| Patents Granted on 1942-07-21 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| RE22,140 | Jul. 21, 1942 | E. Lochman | Electric tracer control machine for die sinking and the like | |
| 2,290,197 | Jul. 21, 1942 | C.D. Burbank, H.H. Merriman | Wrench | ratchet wrenches |
| 2,290,215 | Jul. 21, 1942 | S.L. Stenberg | Tool Holder for Machine Tools | metalworking machine tool holders |
| 2,290,324 | Jul. 21, 1942 | W.F. Groene, H.J. Siekmann | Method of machining crankshafts | crankshaft lathes |
| 2,290,542 | Jul. 21, 1942 | W.W. Criley | Clutch | industrial machine clutches |
| 2,290,590 | Jul. 21, 1942 | W. Trible, A.H. Hawley, Sr. | Indexing Mechanism | indexers and dividers |
| 2,290,730 | Jul. 21, 1942 | J.Y. Blazek | Grinding device | crankshaft maintenance |
| 2,290,731 | Jul. 21, 1942 | J.Y. Blazek | Axle-shaft or brake-shoe chuck | metal lathe chucks |
