TREA

Yen-Chao Chung

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  • Taipei, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spring back safety and film cutter
    • Patent number 9,956,695
    • Issue date May 1, 2018
    • Pacific Handy Cutter, Inc.
    • Yen-Chao Chung
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Pocket safety cutter
    • Patent number 9,539,733
    • Issue date Jan 10, 2017
    • Pacific Handy Cutter, Inc.
    • Dale E. Jennings
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Spring back safety and film cutter
    • Patent number 8,819,942
    • Issue date Sep 2, 2014
    • Pacific Handy Cutter, Inc.
    • Yen-Chao Chung
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Pocket safety cutter
    • Patent number 8,443,522
    • Issue date May 21, 2013
    • Pacific Handy Cutter, Inc.
    • Dale E. Jennings
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Spring back safety and film cutter
    • Patent number 8,069,571
    • Issue date Dec 6, 2011
    • Pacific Handy Cutter, Inc.
    • Yen-Chao Chung
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Pocket safety cutter
    • Patent number 8,006,389
    • Issue date Aug 30, 2011
    • Pacific Handy Cutter, Inc.
    • Dale E. Jennings
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Utility knife with a safety lock
    • Patent number 5,987,751
    • Issue date Nov 23, 1999
    • Yen-Chao Chung
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Knife for woodworking
    • Patent number 5,864,952
    • Issue date Feb 2, 1999
    • Lutz File & Tool Company
    • Yen-chao Chung
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Hand held cutter
    • Patent number 5,862,596
    • Issue date Jan 26, 1999
    • Yen-Chao Chung
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

  • Information Patent Application

    WINCH PULLER
    • Publication number 20170036896
    • Publication date Feb 9, 2017
    • YEN-WEN CHUNG
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Spring Back Safety and Film Cutter
    • Publication number 20150202781
    • Publication date Jul 23, 2015
    • PACIFIC HANDY CUTTER, INC.
    • Yen-Chao Chung
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Pocket Safety Cutter
    • Publication number 20140123501
    • Publication date May 8, 2014
    • PACIFIC HANDY CUTTER, INC.
    • Dale E. Jennings
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Spring Back Safety and Film Cutter
    • Publication number 20120216412
    • Publication date Aug 30, 2012
    • Yen-Chao Chung
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Pocket Safety Cutter
    • Publication number 20120047747
    • Publication date Mar 1, 2012
    • Dale E. Jennings
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Spring Back Safety and Film Cutter
    • Publication number 20090266210
    • Publication date Oct 29, 2009
    • Yen-Chao Chung
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Pocket Safety Cutter
    • Publication number 20080289190
    • Publication date Nov 27, 2008
    • Dale E. Jennings
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING