Full face respirator front cover
Latest 3M Innovative Properties Company Patents:
Description
The broken line showing of the respirator in
Claims
The ornamental design for a full face respirator front cover, as shown and described.
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Patent History
Patent number: D890916
Type: Grant
Filed: May 7, 2019
Date of Patent: Jul 21, 2020
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: David M. Castiglione (Hudson, WI), Jacob P. Vanderheyden (Saint Paul, MN), Thomas R. Braxton, II (Tampa, FL)
Primary Examiner: Lilyana Bekic
Application Number: 29/690,292
Type: Grant
Filed: May 7, 2019
Date of Patent: Jul 21, 2020
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: David M. Castiglione (Hudson, WI), Jacob P. Vanderheyden (Saint Paul, MN), Thomas R. Braxton, II (Tampa, FL)
Primary Examiner: Lilyana Bekic
Application Number: 29/690,292
Classifications