Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-08-22
1986-06-10
Word, A. Hugo
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02842122
REFERENCES:
patent: D84958 (1931-08-01), Rowles
patent: D247284 (1978-02-01), Huddleston
patent: 1054317 (1913-02-01), Sawyer
patent: 1143697 (1915-06-01), Gallant
patent: 3295762 (1967-01-01), Gray
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