Patents by Inventor Roy Dennison Gravener

Roy Dennison Gravener 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).

  • Method of making a molded commutator
    Patent number: 3987539
    Abstract: In accordance with the present invention there is provided a molded commutator having an improved form of anchoring tooth for each bar extending substantially the entire length of the bar for securing the latter to the molded hub. The invention involves an improved process of forming each anchoring tooth without the removal of any material and hence without wastage.
    Type: Grant
    Filed: January 31, 1974
    Date of Patent: October 26, 1976
    Assignee: Consolidated Foods Corporation
    Inventor: Roy Dennison Gravener