Eric Mark Chelgren

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Ottumwa, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Wheelchair suspension system
- Patent number 8,011,680
- Issue date Sep 6, 2011
- Eric Mark Chelgren
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
INHALANT DELIVERY SYSTEM FOR MASSAGE APPARATUS
- Publication number 20140100490
- Publication date Apr 10, 2014
- Eric Mark CHELGREN
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
WHEELCHAIR SUSPENSION SYSTEM
- Publication number 20100123296
- Publication date May 20, 2010
- Eric Mark Chelgren
- B60 - VEHICLES IN GENERAL