Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1981-05-26
1984-05-01
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02737019
REFERENCES:
patent: D91696 (1934-03-01), Groeniger
patent: D184562 (1959-03-01), Everett
patent: D187854 (1960-05-01), Dreyfuss
patent: 1472259 (1923-10-01), Watrous
patent: 2097174 (1937-10-01), Brain et al.
patent: 2257500 (1941-09-01), Hoffmann
patent: 2341043 (1944-02-01), Hoffmann
patent: 2878403 (1959-03-01), Schmid
patent: 3591868 (1971-07-01), Owens
patent: 4091473 (1978-05-01), Matthews et al.
American Standard Inc.
Crooks Robert G.
Largen James R.
Salerno, Jr. James J.
Sinnott John P.
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