Hand operated pump

Details Hand operated pump Hand operated pump

1990-04-11

1992-01-07

Lucas, Susan J.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Hand or foot operated pump or well curb

Patent

active

D03230180

REFERENCES:
patent: 11169 (1854-06-01), Gowan
patent: D205690 (1966-09-01), Allard
patent: D222457 (1971-10-01), Bair
patent: D224594 (1972-08-01), Eves
patent: D308567 (1990-06-01), Russold et al.
patent: 2832295 (1958-04-01), Waldherr, Jr.

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