Michael L. Parham

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Marine on St. Croix, MN, US

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Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR MAINTAINING AIRFLOW IN A POWERED AIR PURIF...
- Publication number 20230414975
- Publication date Dec 28, 2023
- 3M Innovative Properties Company
- Kenneth J. Krepel
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
METHOD AND APPARATUS FOR MAINTAINING AIRFLOW IN A POWERED AIR PURIF...
- Publication number 20230414976
- Publication date Dec 28, 2023
- 3M Innovative Properties Company
- Douglas D. Jensen
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
BREATHING APPARATUS AND CHARGING SYSTEM
- Publication number 20230321464
- Publication date Oct 12, 2023
- 3M Innovative Properties Company
- Michael L. Parham
- A62 - LIFE-SAVING FIRE-FIGHTING