TREA

Daniel L. Torgersen

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  • St. Paul, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of marking plastic lenses
    • Patent number 4,303,701
    • Issue date Dec 1, 1981
    • Buckbee-Mears Company
    • Daniel L. Torgersen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Industrial production of cast plastic lenses
    • Patent number 4,146,696
    • Issue date Mar 27, 1979
    • Buckbee-Mears Company
    • Herbert M. Bond
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Increasing the yield of cast plastic lenses
    • Patent number 3,944,637
    • Issue date Mar 16, 1976
    • Buckbee-Mears Company
    • Herbert M. Bond
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL