Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1987-05-22
1991-02-19
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03148203
REFERENCES:
patent: 24660 (1859-07-01), Potts
patent: 567231 (1896-09-01), Glauber
patent: 925762 (1909-06-01), Eager
patent: 2086007 (1937-07-01), Tompkins
patent: 2215318 (1940-09-01), Bristol
Gandy James M.
Lichtenstein Lisa
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