Patents by Inventor Raymond N. Donis

Raymond N. Donis 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).

  • Shaft alignment collar
    Patent number: D309094
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: July 10, 1990
    Assignee: FMC Corporation
    Inventors: Raymond N. Donis, Stephen B. Wilcher