Patents Assigned to Litton Business Systems, Inc.
  • Patent number: 4448231
    Abstract: A panel having edge sealing means comprising an outer, soft and yieldable arcuate portion; and an inner relatively rigid portion by which the sealing means is mounted to the panel and which also provides structural rigidity for the panel edge.
    Type: Grant
    Filed: August 5, 1982
    Date of Patent: May 15, 1984
    Assignee: Litton Business Systems, Inc.
    Inventors: Stephen A. Salkeld, Mark E. Stock, Robert J. Welch
  • Patent number: 4416093
    Abstract: A panel having means for interconnecting it to other like panels, said interconnecting means comprising hook and ring connector members which are longitudinally shiftable relative to the length of the panel and are substantially flat.
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: November 22, 1983
    Assignee: Litton Business Systems, Inc.
    Inventors: Stephen A. Salkeld, Mark E. Stock
  • Patent number: 4381876
    Abstract: A wood-type front lighted display case is disclosed which can be assembled on-site using preinstalled cam lock fasteners. An extrusion and trim strip therefor hold the front and top glass panels in place, and are configured for easy glass replacement in the event of breakage. The extrusion also functions as a mounting for the light fixture, having an integral wireway.
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: May 3, 1983
    Assignee: Litton Business Systems Inc.
    Inventor: Jay G. Fenwick
  • Patent number: 4346360
    Abstract: A low profile reed keyswitch which includes a magnetically actuated reed switch. The reed switch is mounted parallel to the keyswitch base on a retaining fixture which resistively holds the body of the reed switch. The leads of the reed switch freely pass through the base where they are available for direct connection to an external circuit. A permanent magnet is carried in a plunger which is spring biased away from the reed switch. The reed switch is actuated when an operator depresses the plunger to move the magnet toward the reed switch.
    Type: Grant
    Filed: May 1, 1980
    Date of Patent: August 24, 1982
    Assignee: Litton Business Systems, Inc.
    Inventor: Mark J. Del Tufo
  • Patent number: 4333155
    Abstract: A calculator having a keyboard alterable by interchanging various keyboard modules is provided by an arrangement wherein a module is insertable into a floating connector which adjusts the space allowed for the module to the size of the module and which provides reliable electrical connection to a main keyboard. Each module is insertable and removable with one hand by providing a resilient camming member attached to the calculator, which mechanically interacts with a locking and releasing member which is connected to the module and is accessible when the calculator is resting on a desk.
    Type: Grant
    Filed: May 18, 1979
    Date of Patent: June 1, 1982
    Assignee: Litton Business Systems, Inc.
    Inventor: John N. Johnston
  • Patent number: 4323979
    Abstract: An electronic calculator utilizing a programmable read-only memory (PROM) cartridge for control of a number of the calculator functions is provided with a bezel which is snap-fit into a keyed opening in the calculator housing and guides a connector on the cartridge into simple and reliable electrical connection with a connector in the calculator. The bezel, which is simply and inexpensively constructed of plastic, has at least one bevelled outer surface to insure proper orientation of the bezel in the keyed opening and has at least one bevelled inner surface which cooperates with a corresponding bevelled outer surface on the cartridge to prevent improper orientation on the cartridge during insertion thereof into the bezel. The cartridge cover is also simply and inexpensively constructed of plastic, has self-aligning parts, and may be assembled by using a single screw.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: April 6, 1982
    Assignee: Litton Business Systems, Inc.
    Inventor: John N. Johnston
  • Patent number: 4294888
    Abstract: A heat and pressure consolidated laminate in which the back most sheet has fused thereto a surface film composition of polyvinyl alcohol, animal glue or starch which serves as a glue line to which conventional glues adhere, the film being adhered to the back most sheet during heat and pressure consolidation of the laminate by transferring the same from a release layer to the back most surface of the laminate and fusing the transferred film to the thermosetting resin impregnated in the back sheet.
    Type: Grant
    Filed: April 24, 1979
    Date of Patent: October 13, 1981
    Assignee: Litton Business Systems, Inc.
    Inventors: Christo Antonio, Wyman F. Uhl
  • Patent number: D262763
    Type: Grant
    Filed: June 21, 1979
    Date of Patent: January 26, 1982
    Assignee: Litton Business Systems, Inc.
    Inventors: Lawrence Lerner, Fred Schmitt
  • Patent number: D265208
    Type: Grant
    Filed: October 29, 1979
    Date of Patent: June 29, 1982
    Assignee: Litton Business Systems, Inc.
    Inventors: Robert T. Faranda, Stuart D. Leer
  • Patent number: D266005
    Type: Grant
    Filed: May 18, 1979
    Date of Patent: August 31, 1982
    Assignee: Litton Business Systems, Inc.
    Inventors: Myron Beitler, John N. Johnston
  • Patent number: D267532
    Type: Grant
    Filed: January 9, 1981
    Date of Patent: January 11, 1983
    Assignee: Litton Business Systems, Inc.
    Inventor: Warren Platner
  • Patent number: D267688
    Type: Grant
    Filed: January 9, 1981
    Date of Patent: January 25, 1983
    Assignee: Litton Business Systems, Inc.
    Inventor: Warren Platner
  • Patent number: D267689
    Type: Grant
    Filed: January 9, 1981
    Date of Patent: January 25, 1983
    Assignee: Litton Business Systems, Inc.
    Inventor: Warren Platner
  • Patent number: D267846
    Type: Grant
    Filed: January 9, 1981
    Date of Patent: February 8, 1983
    Assignee: Litton Business Systems, Inc.
    Inventor: Warren Platner
  • Patent number: D268884
    Type: Grant
    Filed: January 9, 1981
    Date of Patent: May 10, 1983
    Assignee: Litton Business Systems, Inc.
    Inventor: Warren Platner
  • Patent number: D273925
    Type: Grant
    Filed: September 2, 1982
    Date of Patent: May 22, 1984
    Assignee: Litton Business Systems, Inc.
    Inventor: Jerome Caruso
  • Patent number: D274204
    Type: Grant
    Filed: September 2, 1982
    Date of Patent: June 12, 1984
    Assignee: Litton Business Systems, Inc.
    Inventor: Jerome Caruso
  • Patent number: D274483
    Type: Grant
    Filed: February 25, 1983
    Date of Patent: July 3, 1984
    Assignee: Litton Business Systems, Inc.
    Inventor: Jerome Caruso
  • Patent number: D278061
    Type: Grant
    Filed: July 6, 1982
    Date of Patent: March 19, 1985
    Assignee: Litton Business Systems, Inc.
    Inventor: David Wiechnicki
  • Patent number: D291160
    Type: Grant
    Filed: April 5, 1984
    Date of Patent: August 4, 1987
    Assignee: Litton Business Systems, Inc.
    Inventor: Thomas S. Biscoe