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John Christiana

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Patents Grantslast 30 patents

  • Information Patent Grant

    Projectile bearing system
    • Patent number 8,596,199
    • Issue date Dec 3, 2013
    • Simmonds Precision Products, Inc.
    • Martin Edwy Buttolph
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Spin stabilized projectile trajectory control
    • Patent number 7,963,442
    • Issue date Jun 21, 2011
    • Simmonds Precision Products, Inc.
    • Dennis Hyatt Jenkins
    • F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents