TREA

Erin D. Spring

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  • Darien Center, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coated abrasive disc and methods of making and using the same
    • Patent number 11,607,775
    • Issue date Mar 21, 2023
    • 3M Innovative Properties Company
    • Thomas P. Hanschen
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Coated abrasive disc and methods of making and using the same
    • Patent number 11,597,059
    • Issue date Mar 7, 2023
    • 3M Innovative Properties Company
    • Thomas P. Hanschen
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Coated abrasive belt
    • Patent number D879165
    • Issue date Mar 24, 2020
    • 3M Innovative Properties Company
    • Joseph B. Eckel
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Coated abrasive disc
    • Patent number D879164
    • Issue date Mar 24, 2020
    • 3M Innovative Properties Company
    • Thomas P. Hanschen
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Coated abrasive belt
    • Patent number D879166
    • Issue date Mar 24, 2020
    • 3M Innovative Properties Company
    • Joseph B. Eckel
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Coated abrasive disc
    • Patent number D870782
    • Issue date Dec 24, 2019
    • 3M Innovative Properties Company
    • Thomas P. Hanschen
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Coated abrasive disc
    • Patent number D849067
    • Issue date May 21, 2019
    • 3M Innovative Properties Company
    • Thomas P. Hanschen
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents