Robbyn L. Engen

Person

  • River Falls, WI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Abrasive articles and methods of making same

    • Patent number 5,611,825
    • Issue date Mar 18, 1997
    • Minnesota Mining and Manufacturing Company
    • Robbyn L. Engen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Abrasive articles and methods of making same

    • Patent number 5,551,961
    • Issue date Sep 3, 1996
    • Minnesota Mining and Manufacturing Company
    • Robbyn L. Engen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...