E. Robert Fretz Jr.

Person

  • Corning, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Laminated ophthalmic lens

    • Patent number 5,312,689
    • Issue date May 17, 1994
    • Corning Incorporated
    • David Dasher
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Ophthalmic lens method

    • Patent number 5,232,637
    • Issue date Aug 3, 1993
    • Corning Incorporated
    • David Dasher
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    High-index, organic lens member

    • Patent number 5,223,862
    • Issue date Jun 29, 1993
    • Corning Incorporated
    • David Dasher
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Laminated lens structure

    • Patent number 5,064,712
    • Issue date Nov 12, 1991
    • Corning Incorporated
    • E. Robert Fretz
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL