Gerardus C. M. Dortant

Person

  • Eindhoven, NL

Patents Grantslast 30 patents

  • Information Patent Grant

    Replica lens and method of manufacturing same

    • Patent number 4,890,905
    • Issue date Jan 2, 1990
    • U.S. Philips Corp.
    • Gerard E. Van Rosmalen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL