Patents by Inventor Robert T. Krasa

Robert T. Krasa 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).

  • Publication number: 20040073798
    Abstract: Techniques are described for distributed production of controlled certificates, such as license plates for motor vehicles, in a secure manner. Controlled certificates may be printed at a local branch office subject to the control of a client computer. A server computer may regulate the operations of the client computers at the branch offices. The production system includes any of several security features to deter forgery and counterfeiting. For example, the security components that make up a finished controlled certificate may be separately secured with unique security elements. The finished controlled certificate may also have a unique security element.
    Type: Application
    Filed: June 10, 2003
    Publication date: April 15, 2004
    Inventors: Thomas F. Look, Liu Yubao, Mao Jianyong, Zhang Wei, Craig A. Schmidt, Qui Tian, Chen Wei, Huang Tien-Hsiagn, Ji Hong, Robert T. Krasa, Jeremy P. Gundale
  • Publication number: 20040050936
    Abstract: Techniques are described for distributed production of license plates, such as license plates for motor vehicles, in a secure manner. License plates may be printed at a local branch office subject to the control of a client computer. A server computer may regulate the operations of the client computers at the branch offices. The production system includes any of several security features to deter forgery and counterfeiting. For example, the security components that make up a finished license plate may be separately secured with unique security elements. The finished license plate may also have a unique security element.
    Type: Application
    Filed: June 10, 2003
    Publication date: March 18, 2004
    Inventors: Thomas F. Look, Liu Yubao, Mao Jianyong, Zhang Wei, Craig A. Schmidt, Qui Tian, Chen Wei, Huang Tien-Hsiagn, Ji Hong, Robert T. Krasa, Jeremy P. Gundale
  • Publication number: 20020054434
    Abstract: Microlens sheetings with composite images are disclosed, in which the composite image floats above or below the sheeting, or both. The composite image may be two-dimensional or three-dimensional. Methods for providing such an imaged sheeting, including by the application of radiation to a radiation sensitive material layer adjacent the microlenses, are also disclosed.
    Type: Application
    Filed: July 3, 2001
    Publication date: May 9, 2002
    Applicant: 3M Innovative Properties Company
    Inventors: Jeffrey M. Florczak, Robert T. Krasa, Stephen P. Maki, Richard M. Osgood
  • Patent number: 6288842
    Abstract: Microlens sheetings with composite images are disclosed, in which the composite image floats above or below the sheeting, or both. The composite image may be two-dimensional or three-dimensional. Methods for providing such an imaged sheeting, including by the application of radiation to a radiation sensitive material layer adjacent the microlenses, are also disclosed.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: September 11, 2001
    Assignee: 3M Innovative Properties
    Inventors: Jeffrey M. Florczak, Robert T. Krasa, Stephen P. Maki, Richard M. Osgood, III
  • Patent number: D511187
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: November 1, 2005
    Assignee: 3M Innovative Properties Company
    Inventor: Robert T. Krasa
  • Patent number: D517610
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: March 21, 2006
    Assignee: 3M Innovative Properties Company
    Inventor: Robert T. Krasa