Patents by Inventor Mathias Detjen

Mathias Detjen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7658980
    Abstract: A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: February 9, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Richard J. Kuo, Mathias Detjen, Brian W. Dunne, Paul E. Marecki, Tadesse G. Nigatu, Kenneth M. White
  • Patent number: 7648744
    Abstract: A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: January 19, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Richard J. Kuo, Mathias Detjen
  • Publication number: 20060046002
    Abstract: A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.
    Type: Application
    Filed: August 3, 2005
    Publication date: March 2, 2006
    Inventors: Richard Kuo, Mathias Detjen, Brian Dunne, Paul Marecki, Tadesse Nigatu, Kenneth White
  • Publication number: 20060029753
    Abstract: A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.
    Type: Application
    Filed: August 6, 2004
    Publication date: February 9, 2006
    Inventors: Richard Kuo, Mathias Detjen