Surgical mask

Details Surgical mask Surgical mask

1980-01-21

1982-01-26

Recla, Henry J.

Surgery

Respiratory method or device

Corrective or magnifying lens combined with face mask having...

12820619, A61F 904

Patent

active

043123384

ABSTRACT:
A surgical mask, or other face covering, including a structure effective to prevent a pair of spectacles from sliding down along the nose of the wearer.

REFERENCES:
patent: 2905172 (1959-09-01), Rodenhouse
patent: 2951418 (1960-09-01), Bitner et al.
patent: 3146295 (1964-08-01), Roland
patent: 3563640 (1971-02-01), Wise et al.
patent: 3603315 (1971-09-01), Becker
patent: 3747599 (1973-07-01), Malmin
patent: 4057057 (1977-11-01), Backlund
patent: 4105026 (1978-08-01), Hay

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