Hans Nystrom

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Vallingby, SE

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Patents Grantslast 30 patents

Information Patent Grant
Hearing protector ear cups
- Patent number D663900
- Issue date Jul 17, 2012
- 3M Innovative Properties Company
- Robert Karlsson
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Hearing protector headband
- Patent number D663902
- Issue date Jul 17, 2012
- 3M Innovative Properties Company
- Robert Karlsson
- D29 - Equipment for safety, protection, and rescue