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Michael Perkins

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  • Santa Clara, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Writing stylus
    • Patent number 7,567,242
    • Issue date Jul 28, 2009
    • LeapFrog Enterprises, Inc.
    • Michael Perkins
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Interactive entertainer
    • Patent number 7,510,238
    • Issue date Mar 31, 2009
    • LeapFrog Enterprises, Inc.
    • Christa McClintock
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Writing stylus
    • Patent number 7,224,348
    • Issue date May 29, 2007
    • LeapFrog Enterprises, Inc.
    • Michael Perkins
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing stylus for electrographic position location apparatus
    • Patent number 7,068,262
    • Issue date Jun 27, 2006
    • LeapFrog Enterprises, Inc.
    • Michael Perkins
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Battery pack including rechargeable batteries
    • Patent number 7,018,737
    • Issue date Mar 28, 2006
    • LeapFrog Enterprises, Inc.
    • Michael Perkins
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    WRITING STYLUS
    • Publication number 20080043001
    • Publication date Feb 21, 2008
    • Michael Perkins
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing stylus
    • Publication number 20060202976
    • Publication date Sep 14, 2006
    • LeapFrog Enterprises, Inc.
    • Michael Perkins
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Interactive entertainer
    • Publication number 20050140185
    • Publication date Jun 30, 2005
    • LeapFrog Enterprises, Inc.
    • Christa McClintock
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Print media apparatus for young children
    • Publication number 20050026128
    • Publication date Feb 3, 2005
    • LeapFrog Enterprises, Inc.
    • Michael C. Wood
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Memory cartridge including selecting mechanism
    • Publication number 20050021909
    • Publication date Jan 27, 2005
    • LeapFrog Enterprises, Inc.
    • Michael Much
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Writing stylus for electrographic position location apparatus
    • Publication number 20040246211
    • Publication date Dec 9, 2004
    • LeapFrog Enterprises, Inc.
    • Michael Perkins
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Battery pack
    • Publication number 20040157116
    • Publication date Aug 12, 2004
    • LeapFrog Enterprises, Inc.
    • Michael Perkins
    • H01 - BASIC ELECTRIC ELEMENTS