Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1990-03-20
1992-04-14
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03254348
REFERENCES:
patent: 2662743 (1953-12-01), Frenger
patent: 3221636 (1965-12-01), Smith et al.
patent: 3948155 (1976-04-01), Hedrick
patent: 4726285 (1988-02-01), Felley
Sweet's 1962 Cat. 6C/ER, p. 2, Egyptian Three Dimensional Design, lower left side of page.
Continental Industries, Inc.
Gandy James M.
Hall James D.
Lichtenstein Lisa
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