TREA

QLH USA, Inc.

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  • San Francisco, CA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Food spill catching device
    • Patent number 5,377,359
    • Issue date Jan 3, 1995
    • QLH USA, Inc.
    • Curtis T. Jiang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Combined book holder and bookmark
    • Patent number 5,364,056
    • Issue date Nov 15, 1994
    • QLH USA, Inc.
    • Curtis T. Jiang
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Writing instrument
    • Patent number 5,308,178
    • Issue date May 3, 1994
    • QLH USA Inc.
    • Curtis T. Jiang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Removable page marker
    • Patent number 5,287,823
    • Issue date Feb 22, 1994
    • QLH USA, Inc.
    • Curtis T. Jiang
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER