Patents by Inventor Walter A. Plummer

Walter A. Plummer 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: 5038663
    Abstract: This invention relates to protective and appearance sleeving, and more particularly to improved expandable-contractible braided sleeving having a pull cord extending lengthwise of its interior one end of which is attachable to an object to be enshrouded while the sleeving is being assembled thereover. The pull cord may comprise a strip of high strength material imprintable with indicia.
    Type: Grant
    Filed: September 16, 1983
    Date of Patent: August 13, 1991
    Inventor: Walter A. Plummer
  • Patent number: 4600454
    Abstract: Disclosed is a unitary re-enterable shielded jacket assembly for a plurality of insulated conductors provided with a dielectric spacer of nonconductive netting arranged and effective to provide a layer of air cells between the jacket shielding and the embraced conductors thereby to stabilize the impedance of the cable assembly from end to end thereof. One lateral edge of the dielectric spacer is attached to the jacket adjacent the inner shielding layer thereof and is sufficiently wide for its opposite edges to overlap when the jacket seam is closed. The dielectric spacer may be pleated lengthwise thereof to provide pockets for separate ribbon cables, the pleats being interconnected by hinges formed by groups of severed transverse strands which groups are separated by at least one unsevered transverse strand.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: July 15, 1986
    Inventor: Walter A. Plummer
  • Patent number: 4388747
    Abstract: A one-piece molded plastic clamp having a pair of toggle members interconnecting the clamp jaws and swingable between jaw-open and locked jaw-closed positions. The jaws and toggle members are all flexibly connected by live hinges.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: June 21, 1983
    Inventor: Walter A. Plummer