TREA

Steven B. Yntema

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  • Saginaw, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lead free frangible iron bullets
    • Patent number 11,674,781
    • Issue date Jun 13, 2023
    • TPI Powder Metallurgy, Inc.
    • Stuart Yntema
    • F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents

  • Information Patent Application

    LEAD FREE FRANGIBLE IRON BULLETS
    • Publication number 20200225011
    • Publication date Jul 16, 2020
    • TPI Powder Metallurgy, Inc.
    • Philip H. Sheridan
    • F42 - AMMUNITION BLASTING
  • Information Patent Application

    LEAD FREE FRANGIBLE IRON BULLETS
    • Publication number 20160091290
    • Publication date Mar 31, 2016
    • PM BALLISTICS LLC
    • Philip H. Sheridan
    • F42 - AMMUNITION BLASTING