Gregory H. Van Erem

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Stillwater, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making retroreflective sheeting and slot die apparatus
- Patent number 7,410,604
- Issue date Aug 12, 2008
- 3M Innovative Properties Company
- Stanley C. Erickson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making retroreflective sheeting and slot die apparatus
- Patent number 7,364,421
- Issue date Apr 29, 2008
- 3M Innovative Properties Comapny
- Stanley C. Erickson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method of making retroreflective sheeting and slot die apparatus
- Publication number 20060134259
- Publication date Jun 22, 2006
- 3M Innovative Properties Company
- Stanley C. Erickson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method of making retroreflective sheeting and slot die apparatus
- Publication number 20040173920
- Publication date Sep 9, 2004
- 3M Innovative Properties Company
- Stanley C. Erickson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL