United States Patent 3361067
Inventors:
Webb, James E.
Publication Date:
01/02/1968
Other Classes:
600/16, 417/240, 417/557, 310/332
International Classes:
F04B17/00; H01L41/09
US Patent References:
| 3107630 | Non-magnetic electro-hydraulic pump | | | |
| 3153156 | Pressure-proof ceramic transducer | | | |