Gerald R. Spartz

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Electret article having heteroatoms and low fluorosaturation ratio
- Patent number 7,244,292
- Issue date Jul 17, 2007
- 3M Innovative Properties Company
- Seth M. Kirk
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electret article having high fluorosaturation ratio
- Patent number 7,244,291
- Issue date Jul 17, 2007
- 3M Innovative Properties Company
- Gerald R. Spartz
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRET ARTICLE HAVING HETEROATOMS AND LOW FLUOROSATURATION RATIO
- Publication number 20070222119
- Publication date Sep 27, 2007
- 3M Innovative Properties Company
- Seth M. Kirk
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Electret article having heteroatoms and low fluorosaturation ratio
- Publication number 20060243139
- Publication date Nov 2, 2006
- 3M Innovative Properties Company
- Seth M. Kirk
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Electret article having high fluorosaturation ratio
- Publication number 20060243138
- Publication date Nov 2, 2006
- 3M Innovative Properties Company
- Gerald R. Spartz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL