Marvin J. Richman

Person

  • Encino, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-purpose balloon closure device

    • Patent number 5,301,392
    • Issue date Apr 12, 1994
    • Marvin J. Richman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL