August H. Michael

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Enkede, SE

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Patents Grantslast 30 patents

Information Patent Grant
Hearing protector
- Patent number D671273
- Issue date Nov 20, 2012
- 3M Innovative Properties Company
- Lars G. E. Carlborg
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Hearing protector
- Patent number D668392
- Issue date Oct 2, 2012
- 3M Innovative Properties Company
- Lars G. E. Carlborg
- D29 - Equipment for safety, protection, and rescue