Curtis A. Harvey

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St. Francis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Devices for stretching polymer films
- Patent number 7,316,558
- Issue date Jan 8, 2008
- 3M Innovative Properties Company
- William W. Merrill
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Methods and devices for stretching polymer films
- Patent number 7,104,776
- Issue date Sep 12, 2006
- 3M Innovative Properties Company
- William W. Merrill
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Methods and devices for stretching polymer films
- Patent number 6,949,212
- Issue date Sep 27, 2005
- 3M Innovative Properties Company
- William W. Merrill
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND DEVICES FOR STRETCHING POLYMER FILMS
- Publication number 20060257515
- Publication date Nov 16, 2006
- 3M Innovative Properties Company
- William W. Merrill
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Methods and devices for stretching polymer films
- Publication number 20050120524
- Publication date Jun 9, 2005
- 3M Innovative Properties Company
- William W. Merrill
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Methods and devices for stretching polymer films
- Publication number 20040099992
- Publication date May 27, 2004
- William W. Merrill
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL