TREA

Greenrock, Ltd.

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  • Cincinnati, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Paper-like film and process for making it
    • Patent number 10,766,180
    • Issue date Sep 8, 2020
    • Greenrock, Ltd.
    • Mary Ruth Lehrter
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Paper-like film and method for making it
    • Patent number 10,011,063
    • Issue date Jul 3, 2018
    • Greenrock, Ltd.
    • Mary Ruth Lehrter
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Paper-like film and process for making it
    • Patent number 9,676,131
    • Issue date Jun 13, 2017
    • Greenrock, Ltd.
    • Mary Ruth Lehrter
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Paper-like film and process for making it
    • Patent number 8,889,047
    • Issue date Nov 18, 2014
    • Greenrock, Ltd.
    • Mary Ruth Lehrter
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL