Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air conditioner
Patent
1987-10-15
1990-09-04
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air conditioner
Patent
active
D03104095
REFERENCES:
patent: D99291 (1936-04-01), Ludwig
patent: D175444 (1955-08-01), Schucker
patent: D175445 (1955-08-01), Schucker
patent: 3415073 (1968-12-01), Ammons
patent: 3740964 (1973-06-01), Herweg
Fuel Oil and Oil Heat, Feb. 1957, p. 90, Year Round Air Conditioner made by Stewart-Warner #2, right bottom side of page.
Allen Keith R.
Crawford Jeffrey
Rule Geoffrey
Gandy James M.
Lichtenstein Lisa
Sigma Air Conditioning Pty, Limited
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