Patents by Inventor James E. Walker, Jr.

James E. Walker, Jr. 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).

  • Multiple blade cutting apparatus for rotary lawn mower
    Patent number: 6470662
    Abstract: A blade cutting apparatus for a rotary lawn mower. The blade cutting apparatus is defined by a plurality of blades projecting radially outward from a central hub. Each blade is defined by a first portion and a second portion, the first portion being defined by a first edge and a second edge and the second portion being defined by a third edge and a fourth edge. The first and third edges are each sharpened for enabling each blade to cut grass in two separate locations along the length of each strand of grass. Each blade is further defined by an elongated slot formed therein between the first portion and the second portion for allowing cut grass and debris to pass through each blade.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: October 29, 2002
    Inventors: Terry A. Burke, James E. Walker, Jr.