Richard T. Crowell

Person

  • Towanda, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Image anchorage in photographic films

    • Patent number 4,076,531
    • Issue date Feb 28, 1978
    • E. I. Du Pont de Nemours and Company
    • Richard T. Crowell
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY