TREA

John W. Lang Jr.

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  • Northbrook, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photographic film printer
    • Patent number 4,154,528
    • Issue date May 15, 1979
    • Bell & Howell Company
    • Charles J. Watson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Printing head assembly
    • Patent number 4,099,869
    • Issue date Jul 11, 1978
    • Bell & Howell Company
    • John W. Lang
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY