Hearing protector
Latest 3M Innovative Properties Company Patents:
Description
The broken lines shown in the drawings represent portions of the hearing protector that form no part of the claimed design.
Claims
The ornamental design for a hearing protector, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D895901
Type: Grant
Filed: Sep 1, 2017
Date of Patent: Sep 8, 2020
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Robert C. Coffin (Zionsville, IN), Matthew V. Stonebraker, Jr. (Lafayette, IN), Jacob H. Ely (Indianapolis, IN), Ravi Thomas (Avon, IN)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/616,041
Type: Grant
Filed: Sep 1, 2017
Date of Patent: Sep 8, 2020
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Robert C. Coffin (Zionsville, IN), Matthew V. Stonebraker, Jr. (Lafayette, IN), Jacob H. Ely (Indianapolis, IN), Ravi Thomas (Avon, IN)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/616,041
Classifications
Current U.S. Class:
Ear (D29/112)