TREA

Robert P. Berger

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  • Encino, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Triangular spoke sprue
    • Patent number 5,893,405
    • Issue date Apr 13, 1999
    • belle de st. claire
    • Robert P Berger
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Laser welded investment cast dental restoration, method of making s...
    • Patent number 5,735,692
    • Issue date Apr 7, 1998
    • belle de st. clair, inc.
    • Robert P. Berger
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Round ringless mold and triangular spoke sprue
    • Patent number 5,688,533
    • Issue date Nov 18, 1997
    • Belle de St. Claire, Inc.
    • Robert P. Berger
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Interchangeable jaw tongs
    • Patent number 5,590,923
    • Issue date Jan 7, 1997
    • belle de st. claire
    • Robert P. Berger
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Waxing ring
    • Patent number D372980
    • Issue date Aug 20, 1996
    • belle de st. claire
    • Robert P. Berger
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Cap for investment molds for precision casting
    • Patent number 5,469,908
    • Issue date Nov 28, 1995
    • belle de st. claire
    • James Chmel
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ringless casting oval for making investment molds for precision cas...
    • Patent number 5,406,999
    • Issue date Apr 18, 1995
    • belle de st. claire
    • Robert P. Berger
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Adjustable mold positioner
    • Patent number 5,337,804
    • Issue date Aug 16, 1994
    • belle de st. claire
    • Robert P. Berger
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Dental pin
    • Patent number D330508
    • Issue date Oct 27, 1992
    • Robert P. Berger
    • D08 - Tools and hardware
  • Information Patent Grant

    Combined dental mold and base
    • Patent number D329900
    • Issue date Sep 29, 1992
    • Robert P. Berger
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Prosthesis handling system
    • Patent number 4,997,382
    • Issue date Mar 5, 1991
    • Robert P. Berger
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Gate
    • Patent number 4,676,294
    • Issue date Jun 30, 1987
    • Robert P. Berger
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dental gauge
    • Patent number D289549
    • Issue date Apr 28, 1987
    • Robert P. Berger
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Prosthesis substructure
    • Patent number 4,575,339
    • Issue date Mar 11, 1986
    • Robert P. Berger
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Prosthesis and apparatus for molding the prosthesis
    • Patent number 4,573,921
    • Issue date Mar 4, 1986
    • Robert P. Berger
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dental thickness gauge
    • Patent number 4,571,181
    • Issue date Feb 18, 1986
    • Robert P. Berger
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE