TREA

Robert J. Hill

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  • Fremont, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Slot antenna
    • Patent number 6,304,227
    • Issue date Oct 16, 2001
    • Schlumberger Resource Management Services, Inc.
    • Robert J. Hill
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Billboard antenna
    • Patent number 6,107,967
    • Issue date Aug 22, 2000
    • Wireless Access, Inc.
    • Robert Hill
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Integrated position determination system with radio relay
    • Patent number 6,091,358
    • Issue date Jul 18, 2000
    • Trimble Navigation Limited
    • Charles Maniscalco
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optimal ring antenna determination system
    • Patent number 5,995,917
    • Issue date Nov 30, 1999
    • Trimble Navigation Limited
    • Robert J. Hill
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Slotted ring shaped antenna
    • Patent number 5,917,454
    • Issue date Jun 29, 1999
    • Trimble Navigation Limited
    • Robert J. Hill
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ring shaped antenna
    • Patent number 5,818,390
    • Issue date Oct 6, 1998
    • Trimble Navigation Limited
    • Robert J. Hill
    • H01 - BASIC ELECTRIC ELEMENTS