| Patents Granted on 1953-04-?? |
Patents 1 -
15
of 37
      |
| Number | Date | Patentee | Title | Type |
| 2,633,642 | Apr. 07, 1953 | G.N. Levesque | Measuring Machine | |
| 2,633,678 | Apr. 07, 1953 | H.F. Smith | Machine Tool and Method of Operation | metalworking machine mechanisms |
| 2,633,777 | Apr. 07, 1953 | J.H. Hoern | Indexing mechanism for station type machines | vertical boring mills |
| 2,633,866 | Apr. 07, 1953 | R.C. Reasoner | Automatic shutoff valve | |
| 2,633,879 | Apr. 07, 1953 | B.W. Andrus | Sawmill carriage dogging apparatus | sawmill dogs |
| 2,634,086 | Apr. 07, 1953 | W.E. Johns | Valve with self-contained stem centering device | |
| 2,634,404 | Apr. 07, 1953 | T.F. Carmichael | Phase indicator | |
| DE-873,029 | Apr. 09, 1953 | J.E. Weigle, J. Minder | Lathe tool holder | lathe tool holders and tool posts |
| AT-174,516 | Apr. 10, 1953 | H. Deckel, F.W. Deckel | Additional Device for Producing Geometric Shapes on Workpieces on Machine Tools | milling machines |
| AT-174,531 | Apr. 10, 1953 | H. Deckel, F.W. Deckel | Photographic Lens Shutter | camera shutters |
| AT-174,532 | Apr. 10, 1953 | H. Deckel, F.W. Deckel | Photographic Lens Shutter with Flash Equalizer | camera shutters |
| 2,634,559 | Apr. 14, 1953 | T.F. Carmichael | Vibratory electric motor and mechanism driven thereby | reciprocating or vibrating electric motors |
| 2,634,644 | Apr. 14, 1953 | C. Johnson | Control for duplicating system | milling machine accessories |
| 2,634,770 | Apr. 14, 1953 | A.W. Mall | Portable tree-felling and logcutting circle saw | tree felling machines |
| 2,634,771 | Apr. 14, 1953 | P.T. Gardner | Saber saw | reciprocating saws |
