| Patents for Harold E. Crozier |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 2,372,812 | Apr. 03, 1945 | H.E. Crozier | Vacuum polishing lathe | polishing machines |
| 2,407,478 | Sep. 10, 1946 | H.E. Crozier, A.G. Vanderpoel | Antiknock or detonation dampening device | internal combustion engines |
| 2,420,067 | May 06, 1947 | H.E. Crozier | Collet attachment for lathes or other metalworking machines | collets and collet holders |
| 2,429,049 | Oct. 14, 1947 | H.E. Crozier | Single-phase induction motor control | motor controls |
| 2,458,256 | Jan. 04, 1949 | H.E. Crozier, A.G. Vanderpoel | Water carburetor | carburetors |
| 2,755,540 | Jul. 24, 1956 | H.E. Crozier | Bushing and bearing extractor tool | bearing pullers |
| 3,003,456 | Oct. 10, 1961 | H.E. Crozier | Flushing plate for outboard motors | boats and ships |
| 3,471,264 | Oct. 07, 1969 | H.E. Crozier | Automatic gas detector | |
| FR-2,102,033 | Mar. 31, 1972 | H.E. Crozier | Mailbox with indicator | |
