William F Robinson
Veterinary at 7, Salt Lake City, UT

License number
Colorado 1916
Issued Date
Jul 25, 1967
Renew Date
Dec 31, 1975
Expiration Date
Dec 31, 1975
Type
Veterinarian
Address
Address
2930 S 7Th Ave E APT B, Salt Lake City, UT 84106
LicenseFiles verified this license of Dec 9, 2016 at the Colorado - Department of Regulatory Agencies.

Professional information

William Robinson Photo 1

Filter Mask

US Patent:
3985132, Oct 12, 1976
Filed:
Dec 13, 1974
Appl. No.:
5/532340
Inventors:
Elvin L. Boyce - Salt Lake City UT
William Keith Robinson - Salt Lake City UT
Assignee:
Tape-Licator, Inc. - Riverton UT
International Classification:
A62B 2302
US Classification:
1281462
Abstract:
An improved filter mask having a laterally pleated filter medium and a stiffening member parallel to and in the vicinity of the pleats. Lateral opening of the pleats causes the stiffening members to bow outwardly and support the filter medium away from the nose and mouth of the wearer thereby providing greater filtering efficiency and wearer comfort.

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