Patents by Inventor Clifford L. Cooper

Clifford L. Cooper 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).

  • Lawn mower blade device
    Publication number: 20040093842
    Abstract: A lawn mower blade device, wherein efficiency is increased through the incorporation of more than two replaceable cutting blades, thereby enabling cutting surface area to be enlarged without a resulting increase in mower housing dimensions, wherein cutting blade lifespan is increased through the effective distribution of rotational stress across a central hub, and wherein traditional metal blades provide strong, long-lasting service, eliminating the need for frequent part replacement.
    Type: Application
    Filed: November 19, 2002
    Publication date: May 20, 2004
    Inventor: Clifford L. Cooper