TREA

Stephen D. Gravrock

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  • Larkspur, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dynamic response entry
    • Patent number 11,735,061
    • Issue date Aug 22, 2023
    • Pearson Education, Inc.
    • Marion Buchenau
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Dynamic response entry
    • Patent number 10,720,073
    • Issue date Jul 21, 2020
    • PEARSON EDUCATION, INC.
    • Marion Buchenau
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Dynamic response entry
    • Patent number 9,836,986
    • Issue date Dec 5, 2017
    • Pearson Education, Inc.
    • Marion Buchenau
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    DYNAMIC RESPONSE ENTRY
    • Publication number 20200342778
    • Publication date Oct 29, 2020
    • Marion BUCHENAU
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DYNAMIC RESPONSE ENTRY
    • Publication number 20170193838
    • Publication date Jul 6, 2017
    • Pearson Education, Inc.
    • Marion Buchenau
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DYNAMIC RESPONSE ENTRY
    • Publication number 20140351253
    • Publication date Nov 27, 2014
    • PEARSON EDUCATION, INC.
    • Marion Buchenau
    • G06 - COMPUTING CALCULATING COUNTING