Combined face mask and shield

Details Combined face mask and shield Combined face mask and shield

1993-07-12

1995-02-21

Word, A. Hugo

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Article for the introduction, removal or collection of fluids

241101

Patent

active

D03557146

REFERENCES:
patent: D270110 (1983-08-01), Moore et al.
patent: D319111 (1991-08-01), Sandel et al.
patent: D327141 (1992-06-01), Hubbard et al.
patent: 2056753 (1936-10-01), Wagner
patent: 4797956 (1989-01-01), Boyce
patent: 4867148 (1989-09-01), Gomez
patent: 4944294 (1990-07-01), Borek, Jr.
patent: 4966140 (1990-10-01), Herzberg
patent: 5020533 (1991-06-01), Hubbard et al.
patent: 5107547 (1992-04-01), Scheu

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