TREA

Gary L. Siebrecht

Follow

Person

  • Rockford, IL, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Drill bit extension
    • Patent number 4,076,444
    • Issue date Feb 28, 1978
    • Gary L. Siebrecht
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR