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Nathaniel Howard Lieb

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  • Narberth, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric dental handpiece
    • Patent number 9,877,798
    • Issue date Jan 30, 2018
    • SPRING HEALTH PRODUCTS, INC.
    • Joseph A. Lieb
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vacuum forming apparatus
    • Patent number 5,855,931
    • Issue date Jan 5, 1999
    • Nathaniel Howard Lieb
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Digital dental curing light
    • Patent number D385630
    • Issue date Oct 28, 1997
    • Nathaniel Howard Lieb
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Irradiating device
    • Patent number 4,623,795
    • Issue date Nov 18, 1986
    • Penn-Med Technology, Inc.
    • Arthur A. Knopp
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Orthodontal electrical device and method of employing same
    • Patent number 4,519,779
    • Issue date May 28, 1985
    • Penn-Med Technology, Inc.
    • Nathaniel H. Lieb
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Fiber optic system for dental handpiece
    • Patent number 4,477,252
    • Issue date Oct 16, 1984
    • Venture Technology, Inc.
    • Nathaniel H. Lieb
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Handpiece
    • Patent number 4,318,695
    • Issue date Mar 9, 1982
    • Venture Technology, Inc.
    • Nathaniel H. Lieb
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dental handpiece and collet wrench therefor
    • Patent number 4,313,725
    • Issue date Feb 2, 1982
    • Venture Technology, Inc.
    • Nathaniel H. Lieb
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dental pin
    • Patent number RE29817
    • Issue date Oct 31, 1978
    • Star Dental Manufacturing Co. Inc.
    • Nathaniel H. Lieb
    • 032 -
  • Information Patent Grant

    Dental handpiece and wrench therefor
    • Patent number 4,015,489
    • Issue date Apr 5, 1977
    • Star Dental Manufacturing Co., Inc.
    • Nathaniel H. Lieb
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dental handpiece and wrench therefor
    • Patent number 3,947,966
    • Issue date Apr 6, 1976
    • Star Dental Manufacturing Co., Inc.
    • Nathaniel H. Lieb
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents