Peter F. Cullen

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Woodbury, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Microstructured rear projection screen
- Patent number 6,636,355
- Issue date Oct 21, 2003
- 3M Innovative Properties Company
- Robert S. Moshrefzadeh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mechanical fastener and method for making the same
- Patent number 6,470,540
- Issue date Oct 29, 2002
- 3M Innovative Properties Company
- Jennifer M. Aamodt
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Mechanical fastener and method for making the same
- Patent number 6,303,062
- Issue date Oct 16, 2001
- 3M Innovative Properties Company
- Jennifer M. Aamodt
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tape for use in manufacturing electrochromic devices
- Patent number 5,825,526
- Issue date Oct 20, 1998
- Minnesota Mining and Manufacturing Company
- Silvia L. Bommarito
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
Microstructured screen and method of manufacturing using coextrusion
- Publication number 20050127541
- Publication date Jun 16, 2005
- 3M Innovative Properties Company
- Kathryn M. Spurgeon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Microstructured rear projection screen
- Publication number 20020080484
- Publication date Jun 27, 2002
- Robert S. Moshrefzadeh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Mechanical fastener and method for making the same
- Publication number 20010052170
- Publication date Dec 20, 2001
- 3M Innovative Properties Company
- Jennifer M. Aamodt
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL