Filter

Details Filter Filter

1979-09-24

1982-03-23

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D23 4, D12194, D2304

Patent

active

D02634961

REFERENCES:
patent: D105294 (1937-07-01), McCabe
patent: D117566 (1939-11-01), Koehler
patent: D220165 (1971-03-01), Trainor
patent: D248485 (1978-07-01), Strauss
patent: 1779458 (1930-10-01), Annis
patent: 2951551 (1960-09-01), West
patent: 3454129 (1969-07-01), Everett
patent: 4249918 (1981-02-01), Argo et al.

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