William Liddle

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Ajax, CA

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum forming apparatus for forming a three-dimensional surface ar...
- Patent number 5,958,470
- Issue date Sep 28, 1999
- Hallmark Cards, Incorporated
- Glenn T. Harding
- B44 - DECORATIVE ARTS
Information Patent Grant
Raised mounting system for artistic work
- Patent number 5,904,962
- Issue date May 18, 1999
- Hallmark Cards, Incorporated
- Glenn T. Harding
- B44 - DECORATIVE ARTS
Information Patent Grant
Vacuum formed three-dimensional surface article
- Patent number 5,667,747
- Issue date Sep 16, 1997
- Harding Product Supply Ltd.
- Glenn T. Harding
- B44 - DECORATIVE ARTS