Patents by Inventor Robert P. Mikkelson

Robert P. Mikkelson 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).

  • Filter cigar
    Patent number: 4243053
    Abstract: A filter cigar is provided having outer layers of cigar wrapper and binder material each spirally wrapped about a preformed cigar filter and tobacco filler charge. A reinforcement strip including layers of high wet strength reinforcing tape and bonded to the binder is circumferentially wrapped over the interface between the filter and the filler charge.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: January 6, 1981
    Assignee: Gulf & Western Company
    Inventors: William F. Cartwright, Alan Cornell, D. Bernard Higgins, Robert P. Mikkelson