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David R. Jenista

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  • Wyoming, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nonferrous extrusion handling systems and processes
    • Patent number 11,267,027
    • Issue date Mar 8, 2022
    • Granco-Clark, Inc.
    • David Rolston Jenista
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Extrusion billet taper quenching system
    • Patent number 5,325,694
    • Issue date Jul 5, 1994
    • Granco Clark, Inc.
    • David R. Jenista
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Nonferrous extrusion process control system
    • Patent number 5,126,945
    • Issue date Jun 30, 1992
    • Granco Clark, Inc.
    • David R. Jenista
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents