Vance P. Gregory Jr.

Follow

Person

Wheaton, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of using thermochromic material on security documents and pr...
- Patent number 5,826,915
- Issue date Oct 27, 1998
- Wallace Computer Services, Inc.
- Vance P. Gregory
- G07 - CHECKING-DEVICES
Information Patent Grant
Multicolor heat-sensitive verification and highlighting system
- Patent number 5,644,352
- Issue date Jul 1, 1997
- Wallace Computer Services, Inc.
- John C. H. Chang
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Multicolor heat-sensitive verification and highlighting system
- Patent number 5,618,063
- Issue date Apr 8, 1997
- Wallace Computer Services, Inc.
- John C. H. Chang
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER