Warren D. Ketola

Person

St. Paul, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical filters for accelerated weathering devices
- Patent number 7,400,445
- Issue date Jul 15, 2008
- 3M Innovative Properties Company
- Richard M. Fischer, Jr.
- G01 - MEASURING TESTING
Information Patent Grant
Method of accelerated testing of illuminated device components
- Patent number 7,345,750
- Issue date Mar 18, 2008
- 3M Innovative Properties Company
- Warren D. Ketola
- G01 - MEASURING TESTING
Information Patent Grant
Method of accelerated testing of illuminated device components
- Patent number 7,124,651
- Issue date Oct 24, 2006
- 3M Innovative Properties Company
- Warren D. Ketola
- G01 - MEASURING TESTING
Information Patent Grant
Optical filters comprising opacified portion
- Patent number 6,984,058
- Issue date Jan 10, 2006
- 3M Innovative Properties Company
- Geoffrey P. Morris
- G01 - MEASURING TESTING
Information Patent Grant
Optical filters for manipulating spectral power distribution in acc...
- Patent number 6,906,857
- Issue date Jun 14, 2005
- 3M Innovative Properties Company
- Richard M. Fischer, Jr.
- G01 - MEASURING TESTING
Information Patent Grant
Optical filters for manipulating spectral power distribution in acc...
- Patent number 6,859,309
- Issue date Feb 22, 2005
- 3M Innovative Properties Company
- Richard M. Fischer, Jr.
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical filters for accelerated weathering devices
- Publication number 20060268401
- Publication date Nov 30, 2006
- 3M Innovative Properties Company
- Richard M. Fischer
- G02 - OPTICS
Information Patent Application
Method of accelerated testing of illuminated device components
- Publication number 20060037413
- Publication date Feb 23, 2006
- 3M Innovative Properties Company
- Warren D. Ketola
- G01 - MEASURING TESTING
Information Patent Application
Method of accelerated testing of illuminated device components
- Publication number 20060027035
- Publication date Feb 9, 2006
- 3M Innovative Properties Company
- Warren D. Ketola
- G01 - MEASURING TESTING
Information Patent Application
Optical filters for manipulating spectral power distribution in acc...
- Publication number 20050225847
- Publication date Oct 13, 2005
- 3M Innovative Properties Company
- Warren D. Ketola
- G02 - OPTICS
Information Patent Application
Optical filters comprising opacified portion
- Publication number 20040246745
- Publication date Dec 9, 2004
- 3M Innovative Properties Company
- Geoffrey P. Morris
- G02 - OPTICS
Information Patent Application
Optical filters for manipulating spectral power distribution in acc...
- Publication number 20040233520
- Publication date Nov 25, 2004
- 3M Innovative Properties Company
- Warren D. Ketola
- G02 - OPTICS
Information Patent Application
Optical filters for manipulating spectral power distribution in acc...
- Publication number 20040178367
- Publication date Sep 16, 2004
- 3M Innovative Properties Company
- Richard M. Fischer
- G02 - OPTICS
Information Patent Application
Optical filters for manipulating spectral power distribution in acc...
- Publication number 20030133184
- Publication date Jul 17, 2003
- 3M Innovative Properties Company
- Richard M. Fischer
- G02 - OPTICS

Warren D. Ketola

Person

Patents Grantslast 30 patents

Optical filters for accelerated weathering devices

Method of accelerated testing of illuminated device components

Method of accelerated testing of illuminated device components

Optical filters comprising opacified portion

Optical filters for manipulating spectral power distribution in acc...

Optical filters for manipulating spectral power distribution in acc...

Patents Applicationslast 30 patents

Optical filters for accelerated weathering devices

Method of accelerated testing of illuminated device components

Method of accelerated testing of illuminated device components

Optical filters for manipulating spectral power distribution in acc...

Optical filters comprising opacified portion

Optical filters for manipulating spectral power distribution in acc...

Optical filters for manipulating spectral power distribution in acc...

Optical filters for manipulating spectral power distribution in acc...