Title:
Vibratory pump
United States Patent 2816514
US Patent References:
/0453277.html
- - 0453277

/0991708.html
- - 0991708

Pump
- - 1922196

Pump for gaseous working fluids
- - 2456133

Air pump for aquarium aerators
- - 2471796


Inventors:
Freese, Charles E.
Publication Date:
12/17/1957
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Assignee:
DESIGNERS FOR INDUSTRY INC
Primary Class:
417/412
Other Classes:
417/474
International Classes:
F04B43/09; F04B43/00
US Patent References:
2562552Measuring pump with flexible tubing
2659310Electromagnetic pumping device for pumping fluids