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Dennis Hahn

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  • Rochester, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Treatment of contact lenses with supercritical fluid
    • Patent number 6,610,221
    • Issue date Aug 26, 2003
    • Bausch & Lomb Incorporated
    • Rajan S. Bawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Treatment of contact lenses with supercritical fluid
    • Patent number 6,180,031
    • Issue date Jan 30, 2001
    • Bausch & Lomb Incorporated
    • Rajan S. Bawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Treatment of contact lenses with supercritical fluid
    • Patent number 6,071,439
    • Issue date Jun 6, 2000
    • Bausch & Lomb Incorporated
    • Rajan S. Bawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for molding lenses
    • Patent number 5,466,147
    • Issue date Nov 14, 1995
    • Bausch & Lomb Incorporated
    • William J. Appleton
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for molding lenses
    • Patent number 5,271,875
    • Issue date Dec 21, 1993
    • Bausch & Lomb Incorporated
    • William J. Appleton
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of using surfactants as contact lens processing aids
    • Patent number 5,264,161
    • Issue date Nov 23, 1993
    • Bausch & Lomb Incorporated
    • Robert J. Druskis
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for manufacturing hydrophilic contact lenses
    • Patent number 4,983,332
    • Issue date Jan 8, 1991
    • Bausch & Lomb Incorporated
    • Dennis Hahn
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents