TREA

Kalvin Watson

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus and method for wireless location sensing
    • Patent number 7,973,669
    • Issue date Jul 5, 2011
    • Honeywell International Inc.
    • Hai D. Pham
    • G08 - SIGNALLING
  • Information Patent Grant

    Miniature photoelectric sensing chamber
    • Patent number 6,521,907
    • Issue date Feb 18, 2003
    • Pittway Corporation
    • Thomas W. Shoaff
    • G08 - SIGNALLING
  • Information Patent Grant

    Compact disc holder
    • Patent number 6,089,384
    • Issue date Jul 18, 2000
    • Kalvin Watson
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Compact disc holder
    • Patent number 6,041,946
    • Issue date Mar 28, 2000
    • Kalvin Watson
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Compact disc holder
    • Patent number 5,857,575
    • Issue date Jan 12, 1999
    • Kalvin Watson
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Long life detector
    • Patent number 5,578,996
    • Issue date Nov 26, 1996
    • BRK Brands, Inc.
    • Kalvin Watson
    • G08 - SIGNALLING

Patents Applicationslast 30 patents