Theodore A. Bieler

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Richmond Hill, Ontario L4C 4B5, CA

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Patents Grantslast 30 patents

Information Patent Grant
Laser etching of foam substrate
- Patent number 4,933,205
- Issue date Jun 12, 1990
- Walter W. Duley
- B44 - DECORATIVE ARTS
Information Patent Grant
Laser etching of foam substrate
- Patent number 4,769,257
- Issue date Sep 6, 1988
- Walter W. Duley
- B44 - DECORATIVE ARTS