Patents by Inventor Gerald Steven Morrison

Gerald Steven Morrison 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).

  • Multi-cutting edge mulching lawn mower blade
    Patent number: 5642609
    Abstract: A multi-cutting edge mulching lawn mower blade including a central disk member having a central aperture formed therethrough. The central aperture is dimensioned for rotatable coupling with a spindle shaft of a lawn mower. A plurality of first blade members each have interior edges extending outwardly from a peripheral edge of the central disk member. Each of the first blade members have a cutting edge formed on an interior edge thereof. A plurality of second blade members each have interior edges extending outwardly from the peripheral edge of the central disk member. Each of the second blade members are positioned between the first blade members. Each of the second blade members have a cutting edge formed on an interior edge thereof wherein each cutting edge of the second blade members are disposed above each cutting edge of first blade members.
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: July 1, 1997
    Inventor: Gerald Steven Morrison