Patents by Inventor Don E. Neuman

Don E. Neuman 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).

  • Quick release locking device
    Patent number: 4054394
    Abstract: A quick release locking device is provided for adjustably securing a circular tool carrier head about a shaft of a rotary die cutting mechanism in which a cylindrical cam has the camming face of the cylinder undercut and filled with a deformable non-compressible plastic substance to increase the resiliency of the camming face.
    Type: Grant
    Filed: December 1, 1976
    Date of Patent: October 18, 1977
    Assignee: Dovey Manufacturing Company
    Inventor: Don E. Neuman