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John Michael Tamkin

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  • Pasadena, CA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL SWITCH DEVICES
    • Publication number 20240371226
    • Publication date Nov 7, 2024
    • WAVEFRONT TECHNOLOGY, INC.
    • Christopher Chapman Rich
    • G07 - CHECKING-DEVICES
  • Information Patent Application

    OPTICAL SWITCH DEVICES
    • Publication number 20240083189
    • Publication date Mar 14, 2024
    • WAVEFRONT TECHNOLOGY, INC.
    • Christopher Chapman Rich
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    OPTICAL PRODUCTS, MASTERS FOR FABRICATING OPTICAL PRODUCTS, AND MET...
    • Publication number 20240059094
    • Publication date Feb 22, 2024
    • WAVEFRONT TECHNOLOGY, INC.
    • Christopher Chapman Rich
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    OPTICAL SWITCH DEVICES
    • Publication number 20230264510
    • Publication date Aug 24, 2023
    • WAVEFRONT TECHNOLOGY, INC.
    • Christopher Chapman Rich
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    OPTICAL SWITCH DEVICES
    • Publication number 20220237979
    • Publication date Jul 28, 2022
    • WAVEFRONT TECHNOLOGY, INC.
    • Christopher Chapman Rich
    • G07 - CHECKING-DEVICES
  • Information Patent Application

    OPTICAL SWITCH DEVICES
    • Publication number 20210347194
    • Publication date Nov 11, 2021
    • WAVEFRONT TECHNOLOGY, INC.
    • Christopher Chapman Rich
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    OPTICAL PRODUCTS, MASTERS FOR FABRICATING OPTICAL PRODUCTS, AND MET...
    • Publication number 20200039279
    • Publication date Feb 6, 2020
    • WAVEFRONT TECHNOLOGY, INC.
    • Christopher Chapman Rich
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    OPTICAL SWITCH DEVICES
    • Publication number 20190236887
    • Publication date Aug 1, 2019
    • WAVEFRONT TECHNOLOGY, INC.
    • Christopher Chapman Rich
    • G01 - MEASURING TESTING
  • Information Patent Application

    OPTICAL SWITCH DEVICES
    • Publication number 20180001692
    • Publication date Jan 4, 2018
    • WAVEFRONT TECHNOLOGY, INC.
    • Christopher Chapman Rich
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    OPTICAL PRODUCTS, MASTERS FOR FABRICATING OPTICAL PRODUCTS, AND MET...
    • Publication number 20170129272
    • Publication date May 11, 2017
    • WAVEFRONT TECHNOLOGY, INC.
    • Christopher Chapman Rich
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER