Patents by Inventor Harvey E. Boland

Harvey E. Boland 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).

  • Cutting line filled with inorganic grit material
    Patent number: 5524350
    Abstract: A cutting line for grass trimmers, lawn mowers, and edgers of the type having a rotating head. The cutting line includes a carrier formed from a polymeric material and an inorganic grit material impregnated within the carrier. Preferably, the grit material makes up between about 6-15% by weight of the cutting line and has an average size of between about 120 to 240 mesh. The grit material may be silicon carbide, aluminum oxide, or silica. The polymeric material is preferably nylon. The carrier may also include a coupling agent and/or a heat stabilizer.
    Type: Grant
    Filed: July 15, 1994
    Date of Patent: June 11, 1996
    Assignee: Glassmaster Company
    Inventor: Harvey E. Boland