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Leroy N. Chellis

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  • Endwell, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flame retardant, low dielectric constant microsphere filled laminate
    • Patent number 5,126,192
    • Issue date Jun 30, 1992
    • International Business Machines Corporation
    • Leroy N. Chellis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for providing a landless through-hole connection
    • Patent number 4,704,791
    • Issue date Nov 10, 1987
    • International Business Machines Corporation
    • LeRoy N. Chellis
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Product containing an epoxy composition
    • Patent number 4,599,268
    • Issue date Jul 8, 1986
    • International Business Machines Corporation
    • Leroy N. Chellis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process of laminating with an epoxy composition
    • Patent number 4,597,996
    • Issue date Jul 1, 1986
    • International Business Machines Corporation
    • Leroy N. Chellis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Epoxy composition
    • Patent number 4,550,128
    • Issue date Oct 29, 1985
    • International Business Machines Corporation
    • Leroy N. Chellis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dimensionally stable laminated printed circuit cores or boards and...
    • Patent number 4,201,616
    • Issue date May 6, 1980
    • International Business Machines Corporation
    • Leroy N. Chellis
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL