Hearing protector
Latest 3M INNOVATIVE PROPERTIES COMPANY Patents:
- Conducting multivariate experiments
- Gel adhesive comprising crosslinked blend of polydiorganosiloxane and acrylic polymer
- Determining causal models for controlling environments
- Mixing and dispensing curable multi-component materials
- Pixel optical sensing of visibly transparent object utilizing reflective materials for personal protective equipment
Description
Portions of the drawings shown in broken lines do not form part of the claimed design.
Claims
The ornamental design for a hearing protector, as shown and described.
Referenced Cited
U.S. Patent Documents
2883671 | April 1959 | Hornickel |
2981958 | May 1961 | Wadsworth et al. |
3085253 | April 1963 | Ulrich et al. |
4571746 | February 25, 1986 | Gorike |
D298670 | November 22, 1988 | Palmaer |
D313092 | December 18, 1990 | Nilsson |
D375584 | November 12, 1996 | Westerdal |
D385665 | October 28, 1997 | Westerdal |
D390564 | February 10, 1998 | Savona |
D403126 | December 22, 1998 | Scanlon et al. |
D411200 | June 22, 1999 | Almqvist |
D413413 | August 31, 1999 | Dillon et al. |
D434191 | November 21, 2000 | Emilsson |
D509323 | September 6, 2005 | Emilsson |
D541483 | April 24, 2007 | Birgersson et al. |
D547500 | July 24, 2007 | Karrman |
D651764 | January 3, 2012 | Gresko et al. |
D663900 | July 17, 2012 | Karlsson et al. |
Patent History
Patent number: D736475
Type: Grant
Filed: Nov 19, 2013
Date of Patent: Aug 11, 2015
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Douglas D. Fletcher (Woodbury, MN), Scott T. Cheek (Indianapolis, IN), Brenda M. Bonney (Woodbury, MN), Sean C. McGreevy (Minneapolis, MN), Oscar M. Hemberg (Dalarö)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/473,165
Type: Grant
Filed: Nov 19, 2013
Date of Patent: Aug 11, 2015
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Douglas D. Fletcher (Woodbury, MN), Scott T. Cheek (Indianapolis, IN), Brenda M. Bonney (Woodbury, MN), Sean C. McGreevy (Minneapolis, MN), Oscar M. Hemberg (Dalarö)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/473,165
Classifications
Current U.S. Class:
Ear (D29/112)