Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1991-08-14
1994-05-03
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Patent
active
D03466434
REFERENCES:
patent: D108705 (1938-03-01), Rosenthal
patent: D110337 (1938-07-01), Becker
patent: D199223 (1964-09-01), Rennels
patent: D214499 (1969-06-01), Ross, Jr.
patent: D294285 (1988-02-01), Miskiewicz
patent: 895742 (1908-08-01), Freshour
patent: 1775934 (1930-09-01), Delany
patent: 1851268 (1932-03-01), Woolley
patent: 2174706 (1939-10-01), Pardieck
patent: 2526294 (1950-10-01), Stegeman
patent: 3086218 (1963-04-01), Gross
Disclosure Document No. 264,690.
Disclosure Document No. 271,896.
Bender S. Michael
Largen James R.
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