David Han Yoon

Person

  • Los Angeles, CA, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Articulated Sheet Binder Apparatus

    • Publication number 20180162155
    • Publication date Jun 14, 2018
    • David Yoon
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Punchless Binder Apparatus

    • Publication number 20140298620
    • Publication date Oct 9, 2014
    • David Han Yoon
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER