Surface pattern for a nose and mouth air-filtering mask

Details Surface pattern for a nose and mouth air-filtering mask Surface pattern for a nose and mouth air-filtering mask

1998-04-07

2000-02-22

Reid, Stella

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Article for the introduction, removal or collection of fluids

2902

Patent

active

D04211170

REFERENCES:
patent: D141604 (1945-06-01), Kemp
patent: D195612 (1963-07-01), Liloia et al.
patent: D267985 (1983-02-01), Huber
patent: D368960 (1996-04-01), Lanford
patent: D383537 (1997-09-01), Lunden
patent: 737591 (1903-09-01), Dempsey
patent: 4323063 (1982-04-01), Fisichella
patent: 5035006 (1991-07-01), Hetz et al.
Time magazine, Feb. 23, 1998, cover.

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