Patents by Inventor Richard J. Lambert

Richard J. Lambert 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).

  • Plastic film label stock
    Patent number: 4271223
    Abstract: Label stock comprising a plastic film backing which is a polymer of a urethane oligomer and affords unusually good ink receptivity.
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: June 2, 1981
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Richard J. Lambert, John A. Martens
  • Printable pressure-sensitive adhesive tape
    Patent number: 3967031
    Abstract: Pressure-sensitive adhesive tape having a backsize which is a blend of (1) 5-80 parts cellulose acetate butyrate and (2) 95-20 parts copolyester and/or acrylate copolymer has both printability and low-unwind characteristics. After the back is printed, the tape can be wound into a roll and unwound without destroying the legibility of the printing. The backsize is especially useful on tapes having a polyester or unplasticized polyvinyl chloride film backing, as well as on filament tape or other tapes which have aggressive pressure-sensitive adhesives.
    Type: Grant
    Filed: April 25, 1974
    Date of Patent: June 29, 1976
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Richard J. Lambert