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David M. Townsley

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  • McKinney, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Laterally repositionable roller shade
    • Patent number 10,829,991
    • Issue date Nov 10, 2020
    • MCD Innovations, Inc.
    • David M. Townsley
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Laterally repositionable roller shade
    • Patent number 9,725,949
    • Issue date Aug 8, 2017
    • MCD INNOVATIONS
    • David M. Townsley
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Laterally repositionable roller shade
    • Patent number 9,540,873
    • Issue date Jan 10, 2017
    • MCD Innovations, Inc.
    • David M. Townsley
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Air filter and method of construction
    • Patent number 5,573,811
    • Issue date Nov 12, 1996
    • S.T. Technologies, Inc.
    • David M. Townsley
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air filter and method of construction
    • Patent number 5,437,701
    • Issue date Aug 1, 1995
    • S.T. Technologies, Inc.
    • David M. Townsley
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents