Derek G. Gray

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Montreal West, CA

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Patents Grantslast 30 patents

Information Patent Grant
Selectively reflective polymer moulded article and a process for pr...
- Patent number 6,007,738
- Issue date Dec 28, 1999
- Daicel Chemical Industries, Ltd.
- Shu Shimamoto
- G02 - OPTICS
Information Patent Grant
Solidified liquid crystals of cellulose with optically variable pro...
- Patent number 5,629,055
- Issue date May 13, 1997
- Pulp and Paper Research Institute of Canada
- Jean-Fran.cedilla.ois Revol
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER