Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Hand or foot operated pump or well curb
Patent
1989-08-16
1991-10-22
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
D03210375
REFERENCES:
patent: D132533 (1942-05-01), Kelleher et al.
patent: D295660 (1988-05-01), Chiarella
patent: 1078320 (1913-11-01), Stratton
"Bicycling" article showing tire pumps, May 1987, p. 164.
Lucas Susan J.
Tung M. H.
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