| Patents Granted on 1940-04-?? |
Patents 1 -
15
of 32
      |
| Number | Date | Patentee | Title | Type |
| 2,195,478 | Apr. 02, 1940 | J.Y. Blazek, V.R. Roy | Press | hydraulic metalworking presses |
| 2,195,493 | Apr. 02, 1940 | E.M. McGovern, P. Schrick | Crankshaft grinder | crankshaft maintenance |
| 2,195,557 | Apr. 02, 1940 | H.J. Tapper, F.W. Billker | Angle gauge | printer |
| 2,195,799 | Apr. 02, 1940 | F.A. Parsons | Backlash Eliminator | milling machines |
| 2,195,911 | Apr. 02, 1940 | W.F. Zimmermann | Selective Worm Gear Table Drive | gear hobbing machines |
| 2,195,912 | Apr. 02, 1940 | W.F. Zimmermann | Worm Gearing | gear hobbing machines |
| GB-519,812 | Apr. 05, 1940 | n. listed | Improvements in or Relating to Fluid Operated Machine Tools, Such as Grinding Machines | grinding machines |
| 2,196,223 | Apr. 09, 1940 | W.H. Montgomery | Torque Indication Wrench | torque wrenches |
| 2,196,297 | Apr. 09, 1940 | G.R. Gagne | Tool Handle Joint and the Like | tool handles |
| 2,196,497 | Apr. 09, 1940 | H.D. Heman | Method of Forming Tubular Members Having Thick Walled End Portions | metal forming |
| 2,196,694 | Apr. 09, 1940 | O.H. Brauer | Welded Exhaust Pipe | railroad motor cars |
| 2,196,696 | Apr. 09, 1940 | R.I. Dick | Engine Fuel Control Means | fuel pumps |
| 2,196,701 | Apr. 09, 1940 | C.S. Homsher | Electrician's Conduit Wrench | wrench combination tools |
| 2,196,827 | Apr. 09, 1940 | F.P. Healy | Tool guide for boring machines | vertical boring mills |
| 2,197,076 | Apr. 16, 1940 | W.R. Meyer, W.F. Groene | Crankshaft Blank | crankshafts |
