Combined air filter and freshener

Details Combined air filter and freshener Combined air filter and freshener

1979-01-15

1981-03-31

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02587599

REFERENCES:
patent: D227669 (1973-07-01), Mann
patent: D234597 (1975-03-01), Diachuk
patent: D244856 (1977-06-01), Haufe
patent: D248869 (1978-08-01), Risher
patent: 1794447 (1931-03-01), Bothezat
patent: 2609888 (1952-09-01), Beringer
patent: 2911291 (1959-11-01), Engel
patent: 3273323 (1966-09-01), Whitfield
patent: 3299620 (1967-01-01), Hollingworth
patent: 3370403 (1968-02-01), D'Elia et al.
patent: 3465504 (1969-09-01), Oropeza et al.
patent: 3496703 (1970-02-01), MacLeod et al.
patent: 3537239 (1970-11-01), Dunmire
patent: 3668840 (1972-06-01), Pierick
patent: 3722182 (1973-03-01), Gilberlson
patent: 3747300 (1973-07-01), Knudson
patent: 3828530 (1974-08-01), Peters
patent: 3868896 (1975-03-01), Doll et al.
patent: 3928008 (1975-12-01), Petersen
patent: 4025325 (1977-05-01), Goodwin, Jr.

Affiliated with

Also associated with

Rating

Combined air filter and freshener does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Combined air filter and freshener, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combined air filter and freshener will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2235973