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David J. Pristash

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  • Brecksville, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thin panel illuminator
    • Patent number 5,136,480
    • Issue date Aug 4, 1992
    • Lumitex, Inc.
    • David J. Pristash
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Thin panel illuminator
    • Patent number 5,005,108
    • Issue date Apr 2, 1991
    • Lumitex, Inc.
    • David J. Pristash
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Reflector system
    • Patent number 4,755,918
    • Issue date Jul 5, 1988
    • Lumitex, Inc.
    • David J. Pristash
    • G02 - OPTICS