Ronald A. Hagen

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Stillwater, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Compact scroll fan assembly
- Patent number 9,481,424
- Issue date Nov 1, 2016
- 3M Innovative Properties Company
- Ronald A. Hagen
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Compact scroll fan assembly
- Patent number 9,127,691
- Issue date Sep 8, 2015
- 3M Innovative Properties Company
- Ronald A. Hagen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
COMPACT SCROLL FAN ASSEMBLY
- Publication number 20150335921
- Publication date Nov 26, 2015
- 3M Innovative Properties Company
- Ronald A. Hagen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPACT SCROLL FAN ASSEMBLY
- Publication number 20120051904
- Publication date Mar 1, 2012
- 3M Innovative Properties Company
- Ronald A. Hagen
- A62 - LIFE-SAVING FIRE-FIGHTING