TREA

Erhua Cai

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  • St. Cloud, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circular blade unit
    • Patent number 6,675,689
    • Issue date Jan 13, 2004
    • The Antioch Company
    • Carmen Lira Núnez
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Guided cutting system
    • Patent number 6,575,068
    • Issue date Jun 10, 2003
    • The Antioch Company
    • Carmen Lira-Núnez
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Cutting cartridge
    • Patent number D464244
    • Issue date Oct 15, 2002
    • Carmen Lira-Núnez
    • D08 - Tools and hardware
  • Information Patent Grant

    Circular blade
    • Patent number D451110
    • Issue date Nov 27, 2001
    • The Antioch Company
    • Carmen Lira-Nunez
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Circular blade
    • Patent number D451111
    • Issue date Nov 27, 2001
    • The Antioch Company
    • Carmen Lira-Nunez
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Cutting template
    • Patent number D443536
    • Issue date Jun 12, 2001
    • The Antioch Company
    • Carmen Lira-Nunez
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Guided cutting system
    • Patent number 6,216,577
    • Issue date Apr 17, 2001
    • The Antioch Company
    • Carmen Lira-Núnez
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

  • Information Patent Application

    CIRCULAR BLADE UNIT
    • Publication number 20030154835
    • Publication date Aug 21, 2003
    • Carmen Lira Nunez
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Guided cutting system
    • Publication number 20010009123
    • Publication date Jul 26, 2001
    • Carmen Lira-Nunez
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC