Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-06-24
1986-06-17
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02843005
REFERENCES:
patent: D222641 (1971-11-01), Roosa
patent: D235035 (1975-04-01), Rosenberg
patent: D241936 (1976-10-01), Rosaen
patent: D254086 (1980-01-01), Hodgkins
patent: 2873858 (1959-02-01), Urban
patent: 3591004 (1971-07-01), Roosa
patent: 3630382 (1971-12-01), Hodgkins
patent: 4368716 (1983-01-01), Davis
patent: 4395996 (1983-08-01), Davis
patent: 4491120 (1985-01-01), Hodgkins
Largen James R.
Stanadyne Inc.
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