| Patents Granted on 1942-04-21 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 2,280,088 | Apr. 21, 1942 | J.A. Honegger | Container or capsule for highly compressed fluid media | |
| 2,280,115 | Apr. 21, 1942 | V. Gauvreau, C.E. Broders | Drilling machine | drill presses |
| 2,280,229 | Apr. 21, 1942 | H.J. Siekmann, W.F. Groene | Multiple Spindle Broaching Lathe | crankshaft lathes |
| 2,280,230 | Apr. 21, 1942 | W.L. Groene | Crankshaft Broaching Lathe | metalworking machine mechanisms |
| 2,280,437 | Apr. 21, 1942 | G.N. Levesque | Releasable Permanent Magnet Holding Device | |
| 2,280,596 | Apr. 21, 1942 | G.K. McKee | Machine tool | drill presses |
| 2,280,620 | Apr. 21, 1942 | F.J. Theler, G.W. Binns | Apparatus for Finishing Tubular Articles | grinding machines |
| 2,280,760 | Apr. 21, 1942 | M.E. Martellotti | Back Lash Eliminator for Machine Tools | metalworking machine mechanisms |
