Douglas J. Hall

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Retroreflective articles comprising olefinic seal films
- Patent number 8,297,761
- Issue date Oct 30, 2012
- 3M Innovative Properties Company
- Bimal V. Thakkar
- G02 - OPTICS
Information Patent Grant
Retroreflective articles comprising olefinic seal films
- Patent number 7,611,251
- Issue date Nov 3, 2009
- 3M Innovative Properties Company
- Bimal V. Thakkar
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
RETROREFLECTIVE ARTICLE
- Publication number 20150168614
- Publication date Jun 18, 2015
- 3M Innovative Properties Company
- David B. Running
- B32 - LAYERED PRODUCTS
Information Patent Application
RETROREFLECTIVE ARTICLES COMPRISING OLEFINIC SEAL FILMS
- Publication number 20100007954
- Publication date Jan 14, 2010
- 3M Innovative Properties Company
- Bimal V. Thakkar
- G02 - OPTICS
Information Patent Application
RETROREFLECTIVE ARTICLES COMPRISING OLEFINIC SEAL FILMS
- Publication number 20070242356
- Publication date Oct 18, 2007
- 3M Innovative Properties Company
- BIMAL V. THAKKAR
- G02 - OPTICS