Patents by Inventor Merle A. Gerhart, executrix

Merle A. Gerhart, executrix 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).

  • Core-spacer-core mandrel loader
    Patent number: 4201505
    Abstract: A core-spacer-core mandrel loader in which pairs of cores and spacers are automatically loaded upon a mandrel. A transition nose cone is attached to the mandrel to facilitate proper placement of the cores and spacers upon the mandrel.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: May 6, 1980
    Inventors: James P. Gerhart, deceased, Merle A. Gerhart, executrix