Patents by Inventor Laura Landriani

Laura Landriani 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: 6375331
    Abstract: A transparency protection device for protecting a transparency sheet, the protection device including a protective sheet and a presentation flap generally coupled to the protective sheet. The protective sheet includes a generally transparent film having a first major surface and a second major surface, the first surface positioned to be in contact with the transparency sheet. At least a portion of the first major surface includes a plurality of integral micromounds protruding from the major surface. The protective sheet is micro-textured bi-axially oriented polypropylene having a micromound density in the range of 100 to 300 micromounds per square millimeter, the micromounds have a major axis length of 20 to 60 microns.
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: April 23, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Laura Landriani, Giuseppe Giacobone, Concetta Capezzuto