U.S. patent number D752,816 [Application Number D/497,271] was granted by the patent office on 2016-03-29 for hearing protector. This patent grant is currently assigned to 3M INNOVATIVE PROPERTIES COMPANY. The grantee listed for this patent is 3M INNOVATIVE PROPERTIES COMPANY. Invention is credited to Lindsay J. Adams, Brenda M. Bonney, Nicolas A. Echeverri, Douglas D. Fletcher, Eric O. Hemberg, Oscar M. Hemberg.
United States Patent | D752,816 |
Fletcher , et al. | March 29, 2016 |
Inventors: | Fletcher; Douglas D. (Woodbury, MN), Bonney; Brenda M. (Woodbury, MN), Adams; Lindsay J. (Rosemount, MN), Echeverri; Nicolas A. (Woodbury, MN), Hemberg; Oscar M. (Dalaro, SE), Hemberg; Eric O. (Shatin, HK) | ||||||||||
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Applicant: |
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Assignee: | 3M INNOVATIVE PROPERTIES
COMPANY (St. Paul, MN) |
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Appl. No.: | D/497,271 | ||||||||||
Filed: | July 22, 2014 |
Current U.S. Class: | D29/112 |
Current International Class: | 2902 |
Field of Search: | ;D29/100,102,105,106,108,112,122 ;2/455,410,417,423,424,425,9,171,208,209,918 ;D14/205,223,249 ;181/129,130,135 ;379/430,431 ;381/380,381 ;455/90.3,575.1 |
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