Portable water purifier

Details Portable water purifier Portable water purifier

1978-02-13

1980-09-02

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02567199

REFERENCES:
patent: D197942 (1964-04-01), Treiss
patent: D217058 (1970-03-01), Marsh
patent: D238172 (1975-12-01), Blackstone
patent: D240128 (1976-06-01), Stephens et al.
patent: D240531 (1976-07-01), Elkington
patent: D240624 (1976-07-01), MacMurray
patent: 3342335 (1967-09-01), Gamundi et al.
patent: 3342340 (1967-09-01), Shindell
patent: 3439809 (1969-04-01), McPherron
patent: 3746170 (1973-07-01), Bloom et al.
patent: 3746174 (1973-07-01), Watanabe
patent: 3950253 (1976-04-01), Stern
patent: 4066551 (1978-01-01), Stern

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