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Richard Pfefferle

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  • North Smithfield, RI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Expanded metal filters
    • Patent number 10,717,032
    • Issue date Jul 21, 2020
    • ACS Industries, Inc.
    • George Greenwood
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Expanded metal filters
    • Patent number 9,700,825
    • Issue date Jul 11, 2017
    • ACS Industries, Inc.
    • George Greenwood
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    EXPANDED METAL FILTERS
    • Publication number 20200316512
    • Publication date Oct 8, 2020
    • ACS Industries, Inc.
    • George Greenwood
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    EXPANDED METAL FILTERS
    • Publication number 20120067015
    • Publication date Mar 22, 2012
    • ACS Industries, Inc.
    • George Greenwood
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    EXPANDED METAL FILTERS
    • Publication number 20090184504
    • Publication date Jul 23, 2009
    • ACS Industries, Inc.
    • George Greenwood
    • B60 - VEHICLES IN GENERAL