TREA

Leon Rubinstein

Follow

Person

  • Natick, MA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Integrally molded bearing block assembly
    • Patent number 5,049,341
    • Issue date Sep 17, 1991
    • Polaroid Corporation
    • Leon Rubinstein
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Integrally molded bearing block assembly
    • Patent number 4,914,711
    • Issue date Apr 3, 1990
    • Polaroid Corporation
    • Leon Rubinstein
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plastic swivel connector and mold therefor
    • Patent number 4,680,837
    • Issue date Jul 21, 1987
    • Leon Rubinstein
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Spread roller assembly
    • Patent number 4,253,757
    • Issue date Mar 3, 1981
    • Polaroid Corporation
    • Harvey S. Friedman
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Molding devices and process for making a molded plastic lens mount
    • Patent number 3,971,841
    • Issue date Jul 27, 1976
    • Polaroid Corporation
    • Leon Rubinstein
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL