Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Hand or foot operated pump or well curb
Patent
1989-03-27
1991-11-26
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
D23226
Patent
active
D03219275
REFERENCES:
patent: D283533 (1986-04-01), Evenson
patent: D304757 (1989-11-01), Post et al.
patent: D307935 (1990-05-01), Tretzger
patent: 4106534 (1978-08-01), Johnson
patent: 4338066 (1982-07-01), Luker
patent: 4565506 (1986-01-01), Williams
Industrial Plastics Cat., Discounts item, vacuum pump w/gauge, p. 125.
Cooper Richard N.
Smith Lawrence M.
Lucas Susan J.
Smith Emily
Smith Lawrence
Tung M. H.
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