Billy J. Frederick JR.

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Woodbury, MN, US

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Patents Applicationslast 30 patents

Information Patent Application
MICROSPHERES COMPRISING ZIRCONIA AND ALUMINA SUITABLE FOR RETROREFL...
- Publication number 20250147208
- Publication date May 8, 2025
- 3M Innovative Properties Company
- Craig W. Lindsay
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
TRANSPARENT SOLID SPHERES AND METHOD FOR PRODUCING SAME
- Publication number 20220073417
- Publication date Mar 10, 2022
- 3M Innovative Properties Company
- Toshihiro Kasai
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Microspheres having a high index of refraction
- Publication number 20050143248
- Publication date Jun 30, 2005
- 3M Innovative Properties Company
- Matthew H. Frey
- G02 - OPTICS