Patents by Inventor Cecil English

Cecil English 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).

  • Saw sharpening machine
    Patent number: 4331047
    Abstract: A machine for sharpening circular saw blades includes a pneumatically operated indexing mechanism, with the indexing mechanism being responsive to the position of a grinding mechanism which moves perpendicular to the plane of the saw blade to engage the cutting surface of a tooth.
    Type: Grant
    Filed: April 30, 1980
    Date of Patent: May 25, 1982
    Inventor: Cecil English