Patents by Inventor Donald D. Buell

Donald D. Buell 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).

  • Inflatable core wire reel
    Patent number: 4058273
    Abstract: An improved means to facilitate handling and use of loose coils of electrical wiring consists of a knockdown reel featuring a removable inflatable core, end flanges, a shaft or stub shafts, and adjustable width shaft bearing supports.
    Type: Grant
    Filed: February 5, 1976
    Date of Patent: November 15, 1977
    Inventor: Donald D. Buell
  • Dual spring clip for mounting electrical devices
    Patent number: 4051321
    Abstract: A spring clip having two parallel coils joined by an integral member at right angles to the coils is used to provide a stepped attachment of electrical switches, receptacles, and such devices in electrical outlet boxes such that the switches etc. may be readily set for depth and a sidewise position in the box so as to be plumb to meet a variety of box installation problems.
    Type: Grant
    Filed: September 18, 1975
    Date of Patent: September 27, 1977
    Inventor: Donald D. Buell