Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-10-06
1983-01-11
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02675811
REFERENCES:
patent: D118419 (1940-01-01), Rockwood
patent: D235445 (1975-06-01), MacKay
patent: D235997 (1975-07-01), Johnson
patent: 3762648 (1973-10-01), Deines et al.
patent: 3865310 (1975-02-01), Elkins
patent: 3958756 (1976-05-01), Trenary et al.
patent: 4084271 (1978-04-01), Ginsberg
patent: 4219160 (1980-08-01), Allred, Jr.
patent: 4303201 (1981-12-01), Elkins et al.
Johnson Allan B.
Mackay Frederick G.
Mackay Spencer L.
Smith David W.
Drake Hugh H.
Largen James R.
Teledyne Industries Inc.
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