Patents by Inventor R. E. Shrum

R. E. Shrum 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).

  • Patent number: 4901939
    Abstract: A reel containing first and second spaced-apart flanges, a first tubular member disposed between and attached to the first and second flanges at a point spaced apart from the free edges of the flanges so that the first tubular member and a portion of the flanges partially delimit a first space; a second tubular member coaxially disposed inside of, spaced apart from the first tubular member and affixed to the flanges, the first and second tubular members and the spaced apart flanges delimiting a second space; and, an aperture in at least one of the flanges, communicating with the first and second spaces.
    Type: Grant
    Filed: August 7, 1986
    Date of Patent: February 20, 1990
    Assignee: Siecor Corporation
    Inventors: Donald L. Obst, R. E. Shrum