Patents by Inventor Robert Krasa

Robert 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: 20070081254
    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 are also disclosed.
    Type: Application
    Filed: October 11, 2005
    Publication date: April 12, 2007
    Inventors: James Endle, Robert Krasa, William Dower, Michael Dolezal
  • Publication number: 20060262411
    Abstract: Translucent, transparent, or semi-translucent microlens sheetings with composite images are disclosed, in which a composite image floats above or below the sheeting, or both. The composite image may be two-dimensional or three-dimensional. The sheeting may have at least one layer of material having a surface of microlenses that form one or more images at positions internal to the layer of material, at least one of the images being a partially complete image. Additional layers, such as retroreflective, translucent, transparent, or optical structure layers may also be incorporated into the sheeting.
    Type: Application
    Filed: April 6, 2006
    Publication date: November 23, 2006
    Applicant: 3M Innovative Properties Company
    Inventors: Douglas Dunn, Robert Smithson, Robert Krasa, Michael Dolezal