Patents by Inventor Robert Earl Davis

Robert Earl Davis 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).

  • Plunger assembly for a glass forming machine
    Patent number: 4033744
    Abstract: Apparatus wherein the base of a plunger used to form a parison in a glass forming machine is provided with a plurality of ears which interlock with a plurality of flanges disposed within a recessed area within a plunger head to detachably engage the plunger to the plunger head by simply rotating the plunger relative to the plunger head.
    Type: Grant
    Filed: September 18, 1975
    Date of Patent: July 5, 1977
    Assignee: Ball Corporation
    Inventor: Robert Earl Davis
  • Electric dry shaver
    Patent number: 3997969
    Abstract: An electric dry shaver is disclosed having an improved outer cutter which is rotatably repositionable or readily demountable by the user for cleaning hair debris from a hair chamber of the shaver.
    Type: Grant
    Filed: June 4, 1975
    Date of Patent: December 21, 1976
    Assignee: Sperry Rand Corporation
    Inventors: Peter A. Czerner, Robert Earl Davis