Patents by Inventor Billy D. Gray

Billy D. Gray 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: 4414606
    Abstract: Printed wiring board assemblies (12) and the like encapsulated in foam (28) may be removed by use of a pair of sandwich structures (30) placed about the assembly. Each sandwich structure includes a pair of perforated sheets (36) with a sinuously extending filament (40) sandwiched between the sheets. Defoaming is effected by pulling the filament from the foam through the intermediary of a tool grasping ends (52) of the filament.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: November 8, 1983
    Assignee: Hughes Aircraft Company
    Inventors: Edward A. Anderson, Benjamin Bennett, Billy D. Gray