Patents by Inventor Roy E. McConnell

Roy E. McConnell 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).

  • Patent number: 3983769
    Abstract: Method and apparatus for shaping on the end of one right circular cylinder, a compound curvature corresponding to the compound curvature of intersection between the one right circular cylinder and second larger right circular cylinder.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: October 5, 1976
    Assignee: Earle M. Jorgensen Company
    Inventors: Roy E. McConnell, Lee R. Hays, Hans H. Herrmann