William D. Miller

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Reflective particle display film and method of manufacture
- Patent number 6,521,145
- Issue date Feb 18, 2003
- 3M Innovative Properties Company
- David A. Engler
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Reflective particle display film and method of manufacture
- Patent number 6,383,619
- Issue date May 7, 2002
- 3M Innovative Properties Company
- David A. Engler
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS