Air freshener

Details Air freshener Air freshener

1983-10-27

1985-10-22

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D02811022

REFERENCES:
patent: D34114 (1901-02-01), Stagg et al.
patent: D206401 (1966-12-01), Fisher
patent: D208855 (1967-10-01), Johnson
patent: D215846 (1969-11-01), Curtin et al.
patent: D221801 (1971-09-01), Zecchin
patent: D230728 (1974-03-01), Richman
patent: D252741 (1979-08-01), Taylor
patent: 2238476 (1971-04-01), Monteith
patent: 2418878 (1947-04-01), Harkins
patent: 2533341 (1950-12-01), Alfano
patent: 3781761 (1973-12-01), Harwood

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