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Polyplus, Inc.

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  • Bartlesville, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Load-bearing structures with interlockable edges
    • Patent number 5,776,582
    • Issue date Jul 7, 1998
    • Polyplus, Inc.
    • Donald G. Needham
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Filament coating process
    • Patent number 5,607,531
    • Issue date Mar 4, 1997
    • Polyplus, Inc.
    • Donald G. Needham
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL