Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1975-11-26
1977-02-01
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02432390
REFERENCES:
patent: D22190 (1893-01-01), Baker et al.
patent: D30543 (1899-04-01), Watson
patent: D151772 (1948-11-01), Kemp
patent: D184661 (1959-03-01), Chapman
patent: D189334 (1960-11-01), Ernest
patent: D196025 (1963-08-01), Miner
Hugo Dale P.
Hutton William C.
Rivasi Carl A.
Amerace Corporation
Bender S. Michael
Largen James R.
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