Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1993-04-14
1995-11-07
Zarfas, Lou
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
D23303
Patent
active
D03639762
REFERENCES:
patent: D145685 (1946-10-01), Chandler et al.
patent: D151666 (1948-11-01), Wendt
patent: D157678 (1950-03-01), Hess
patent: D191497 (1961-10-01), Hottle
patent: D260961 (1981-09-01), Leehaug
patent: 2318518 (1943-05-01), Opperer
patent: 4875251 (1989-10-01), Hazard
McGuire Charles S.
Sani-Grip, Inc.
Watterson Eric
Zarfas Lou
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