Patents by Inventor Robert L. Culligan

Robert L. Culligan 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: 4881729
    Abstract: An improved dual mode document handler for a copier, in which documents may be either loaded into a document stacking tray overlying the copier imaging station platen and recirculatively fed thereto for pre-collation (RDH) copying, or, alternatively, fed into a semi-automatic document handling (SADH) path slot adjacent thereto on top of the document handler, conveniently face up and feeding downwardly therein for gravity assistance in loading documents into the slot. This SADH input path non-interferingly crosses over (intersects) the document restacking return path to the tray of RDH path.
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: November 21, 1989
    Assignee: Xerox Corporation
    Inventors: Robert L. Culligan, George J. Roller
  • Patent number: 3997927
    Abstract: A mat of soft compressible foam material is adapted to be laid on the ground on a slight slope. Running along the upper edge of the mat is a perforated conduit connected to a garden hose having a sufficient length lying in a hot sunny spot so that the water flowing slowly through the hose toward the perforated conduit becomes slightly warmed. A person lies on the mat, the weight of his body creating depressions or channels in the mat, and the water trickling from the perforated conduit at the upper edge of the mat flows down the depressions caused by the weight of the body, and cools the lower side of the body. A control valve within easy reach of the person lying on the mat determines the rate of flow of the water. Clips on the edges of the mat enable the mat to be hung vertically in a garage or other storage space when not in use.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: December 21, 1976
    Inventor: Robert L. Culligan