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David Engel

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  • Toronto, CA
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Patents Applicationslast 30 patents

  • Information Patent Application

    Systems and Methods for Production of Customized Publications
    • Publication number 20120112449
    • Publication date May 10, 2012
    • David Engel
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Manufacture of environmentally safe cards
    • Publication number 20090065138
    • Publication date Mar 12, 2009
    • Innovative Graphics, Inc.
    • David Engel
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Renewable cards
    • Publication number 20080277481
    • Publication date Nov 13, 2008
    • David Engel
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Advertising delivery device
    • Publication number 20070241171
    • Publication date Oct 18, 2007
    • David Engel
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Advertising device
    • Publication number 20020043798
    • Publication date Apr 18, 2002
    • David Engel
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    System and method for personalizing a mailer
    • Publication number 20010023406
    • Publication date Sep 20, 2001
    • David Engel
    • G06 - COMPUTING CALCULATING COUNTING