Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1976-09-13
1978-04-18
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2302
Patent
active
D02477505
REFERENCES:
patent: D92215 (1934-05-01), Teahon
patent: D95733 (1935-05-01), Duncan, Jr.
patent: D97796 (1935-12-01), Williams
patent: D139563 (1944-11-01), Young
patent: D195018 (1964-04-01), Wardsworth
patent: D199235 (1964-09-01), Tiller
patent: D200461 (1965-03-01), Mox
patent: D224108 (1972-07-01), Doman
Lee Shun-Chi
Lu Tien-Pao
Largen James R.
Magnone Joseph R.
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