Robert D. Heller

Person

  • Green Bay, WI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Anti-choking manikin

    • Patent number 4,194,303
    • Issue date Mar 25, 1980
    • Medical Plastics Laboratory, Inc.
    • Robert D. Heller
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS