TREA

Karl J. L. Geisler

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

  • Information Patent Grant

    Light bulb
    • Patent number D657076
    • Issue date Apr 3, 2012
    • 3M Innovative Properties Company
    • Raymond P. Johnston
    • D26 - Lighting
  • Information Patent Grant

    Light bulb
    • Patent number D655830
    • Issue date Mar 13, 2012
    • 3M Innovative Properties Company
    • Raymond P. Johnston
    • D26 - Lighting