Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-04-22
1980-01-29
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02540860
REFERENCES:
patent: D222641 (1971-11-01), Roosa
patent: D241936 (1976-10-01), Rosaen
patent: 1749730 (1930-03-01), Kenney
patent: 2873858 (1959-02-01), Urban
patent: 3591004 (1971-07-01), Roosa
patent: 3630382 (1971-12-01), Hodgkins
Largen James R.
Prutzman John M.
Stanadyne Inc.
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