Leo A. Meyer

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Glass microspheres for use in films and projection screen displays
- Patent number 6,765,720
- Issue date Jul 20, 2004
- 3M Innovative Properties Company
- Geoffrey P. Morris
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass microspheres for use in films and projection screen displays...
- Patent number RE38245
- Issue date Sep 9, 2003
- 3M Innovative Properties Company
- Geoffrey P. Morris
- 359 - Optical: systems and elements
Information Patent Grant
Light directing construction having corrosion resistant feature
- Patent number 6,590,711
- Issue date Jul 8, 2003
- 3M Innovative Properties Co.
- Timothy J. Gardner
- G02 - OPTICS
Information Patent Grant
Glass microspheres for use in films and projection screen displays...
- Patent number 6,204,971
- Issue date Mar 20, 2001
- 3M Innovative Properties Company
- Geoffrey P. Morris
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Light directing construction having corrosion resistant feature
- Publication number 20030095332
- Publication date May 22, 2003
- 3M Innovative Properties Company
- Timothy J. Gardner
- G02 - OPTICS
Information Patent Application
Glass microspheres for use in films and projection screen displays
- Publication number 20010015846
- Publication date Aug 23, 2001
- 3M Innovative Properties Company
- Geoffrey P. Morris
- C03 - GLASS MINERAL OR SLAG WOOL