Air freshener

Details Air freshener Air freshener

1979-08-07

1981-12-01

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02621363

REFERENCES:
patent: D220488 (1971-04-01), Patrigot
patent: 1481971 (1924-01-01), Whiting
patent: 1496326 (1924-06-01), Schultz
patent: 1769409 (1930-07-01), Armstrong
patent: 3463308 (1969-08-01), Deneko
patent: 3807082 (1974-04-01), Hautmann

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