TREA

Charles E. Ring

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  • Minneapolis, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Etching of metallic composite articles
    • Patent number 6,468,439
    • Issue date Oct 22, 2002
    • BMC Industries, Inc.
    • Donald A. Whitehurst
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Circuit manufacturing using etched tri-metal media
    • Patent number 6,365,057
    • Issue date Apr 2, 2002
    • BMC Industries, Inc.
    • Donald A. Whitehurst
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Compliant pin
    • Patent number 4,586,778
    • Issue date May 6, 1986
    • BMC Industries, Inc.
    • Leo Walter
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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

    System for etching patterns of small openings on a continuous strip...
    • Patent number 4,124,437
    • Issue date Nov 7, 1978
    • Buckbee-Mears Company
    • Herbert M. Bond
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...