Patents by Inventor Robert G. Signor

Robert G. Signor 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).

  • Line viewer
    Patent number: 4641444
    Abstract: A limited line viewer assembly for selectively viewing data on a computer printout sheet or related usage.The device has multiple slide assemblies which are entirely contained, in the open and closed positions, within the confines of a surrounding housing assembly.The slide assemblies and a housing wall have means which cooperate to effectively lock the device in an open or closed position until desired to be manually changed by a user.
    Type: Grant
    Filed: April 26, 1985
    Date of Patent: February 10, 1987
    Inventor: Robert G. Signor