Water purifier

Details Water purifier Water purifier

1980-03-24

1982-11-23

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D15113, D 7309, D2301

Patent

active

D02670321

REFERENCES:
patent: D232550 (1974-08-01), Fushihara
patent: D235015 (1975-04-01), Stern
patent: D235206 (1975-05-01), Bertrand
patent: D240624 (1976-07-01), MacMurray
patent: D241178 (1976-08-01), Haythornthwaite
patent: D241219 (1976-08-01), Martin
patent: D248721 (1978-08-01), Sato et al.
patent: D253572 (1979-12-01), Rinaldi
patent: D255120 (1980-05-01), Bardeau
patent: 4218317 (1980-08-01), Kirschmann
patent: 4312754 (1982-01-01), Lafontaine

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