Water filter

Details Water filter Water filter

1977-07-22

1979-12-18

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02537150

REFERENCES:
patent: D89596 (1933-04-01), Soreng
patent: D117756 (1939-11-01), Newman
patent: 135057 (1873-01-01), Ackermann
patent: D228065 (1973-08-01), Comroe
patent: D236824 (1975-09-01), Berry, Jr. et al.
patent: 559817 (1896-05-01), Scowden
patent: 2579053 (1951-12-01), Schulstadt
patent: 2809158 (1957-10-01), Yustick
patent: 3245537 (1966-04-01), Burgess

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