Mario A. Davenport

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Hearing protector
- Patent number D980539
- Issue date Mar 7, 2023
- 3M Innovative Properties Company
- Alonso M. Hernandez
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Hearing protector
- Patent number D980545
- Issue date Mar 7, 2023
- 3M Innovative Properties Company
- Alonso M. Hernandez
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Hearing protector
- Patent number D980541
- Issue date Mar 7, 2023
- 3M Innovative Properties Company
- Alonso M. Hernandez
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Hearing protector
- Patent number D980542
- Issue date Mar 7, 2023
- Alonso M. Hernandez
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Hearing protector
- Patent number D980543
- Issue date Mar 7, 2023
- 3M Innovative Properties Company
- Alonso M. Hernandez
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Hearing protector
- Patent number D980544
- Issue date Mar 7, 2023
- 3M Innovative Properties Company
- Alonso M. Hernandez
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Hearing protector
- Patent number D980540
- Issue date Mar 7, 2023
- 3M Innovative Properties Company
- Alonso M. Hernandez
- D29 - Equipment for safety, protection, and rescue