Patents by Inventor Daniel L. Umbaugh

Daniel L. Umbaugh 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).

  • Nut and wrench system
    Patent number: 4793223
    Abstract: A wrench capable of operating on large fasteners in confined areas includes multiple body portions which can be connected in surrounding relationship to a nut. A bar or bars can be inserted into aligned slots in the wrench and the surrounded fastener so as to engage the wrench and the fastener for wrench operation.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: December 27, 1988
    Assignee: Cooper Industries, Inc.
    Inventors: John M. Horne, Daniel L. Umbaugh