| Patents Granted on 1953-04-07 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 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 | |
