Patents Represented by Attorney James Theodosopoulos

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  • Cadmium carbonate/cadmium sulfide photoconductor
    Patent number: 4684595
    Abstract: A cadmium carbonate/cadmium sulfide photoconductor is made by mixing solutions containing carbonate, cadmium and copper ions to form CdCO.sub.3 :Cu precipitate which is subsequently converted to CdCO.sub.3 /CdS:Cu by bubbling hydrogen sulfide gas through a hot aqueous suspension of the CdCO.sub.3 :Cu precipitate.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: August 4, 1987
    Assignee: GTE Products Corporation
    Inventors: Sixdeniel Faria, Ronald E. Karam
  • Thermostatic metal
    Patent number: 4680238
    Abstract: A thermostatic metal comprises a layer of a low expansion metal bonded to a layer of a high expansion metal, the outer surface of one of the layers comprising a layer of similar composition but containing, in addition, a grain growth limiting additive.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: July 14, 1987
    Assignee: GTE Products Corporation
    Inventors: Jacob L. Ornstein, Michael A. Hydock
  • Triple pass ceramic cross-flow heat recuperator
    Patent number: 4679623
    Abstract: A heat recuperator having a triple pass cross-flow ceramic core comprising ribbed layers bonded together has divider ribs thicker than other supporting ribs in order to provide greater seal area to adjoining layer.
    Type: Grant
    Filed: August 11, 1986
    Date of Patent: July 14, 1987
    Assignee: GTE Products Corporation
    Inventors: Richard E. Landry, Joel G. Reed
  • Fluorescent lamp having two phosphor layers
    Patent number: 4678966
    Abstract: A fluorescent lamp has two layers of different phosphors, the underlying phosphor serving to improve the maintenance of the overlying phosphor.
    Type: Grant
    Filed: June 13, 1980
    Date of Patent: July 7, 1987
    Assignee: GTE Products Corporation
    Inventor: Eric L. Mager
  • Triple pass ceramic cross-flow heat recuperator
    Patent number: 4674568
    Abstract: A heat recuperator having a triple pass cross-flow ceramic core comprising ribbed layers bonded together has divider ribs thicker than other supporting ribs in order to provide greater seal area to adjoining layer.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: June 23, 1987
    Assignee: GTE Products Corporation
    Inventors: Richard E. Landry, Joel G. Reed
  • Tin based ductile brazing alloys
    Patent number: 4667871
    Abstract: An alloy for brazing ceramic to a ceramic or a metal consists essentially of 35 to 95% tin, 0.5 to 70% silver, 0.5 to 20% copper, 0.1 to 4% titanium and/or vanadium and/or zirconium, 0 to 5% nickel, 0 to 2% chromium, all percentages by weight.
    Type: Grant
    Filed: October 3, 1986
    Date of Patent: May 26, 1987
    Assignee: GTE Products Corporation
    Inventor: Howard Mizuhara
  • Packaged integrated circuit chip
    Patent number: 4663650
    Abstract: An IC chip package comprises a lead frame support on which lead frame segments are disposed. An IC chip is disposed on a pad area on the lead frame support. There is a cover on the support. A sealant material encircles the IC chip within the confines of the support and cover in order to seal the IC chip from the environment.
    Type: Grant
    Filed: September 22, 1986
    Date of Patent: May 5, 1987
    Assignee: GTE Products Corporation
    Inventors: Thomas G. Gilder, Jr., Raymond D. O'Dean
  • Segmented lead frame strip for IC chip carrier
    Patent number: 4663651
    Abstract: A lead frame for use with an integrated circuit chip comprises a plurality of lead frame segments, each segment comprising a plurality of leads the inner ends of which converge towards a pad area for the chip encircled by the segments.
    Type: Grant
    Filed: September 22, 1986
    Date of Patent: May 5, 1987
    Assignee: GTE Products Corporation
    Inventors: Thomas G. Gilder, Jr., Raymond D. O'Dean
  • Bimetal circuit breaker
    Patent number: 4663606
    Abstract: A circuit breaker formed of a PMB bimetal fastened to a post and arranged to face against a new contact that is disposed upon a U-shaped calibration bracket. A span is exposed in the U-shaped calibration bracket to enable a calibration probe to break the circuit breaker at a predetermined time to permanently bend it into a fixed position.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: May 5, 1987
    Assignee: GTE Products Corporation
    Inventor: Douglas C. Carbone
  • Refractory metal silicide sputtering target
    Patent number: 4663120
    Abstract: A refractory metal silicide sputtering target is made by reacting refractory metal and silicon to about 70 to 90% completion of the reaction, comminuting the material, and then vacuum hot pressing the comminuted material to a high density compact having a theoretical density greater than about 95 percent and forming the metal silicide.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: May 5, 1987
    Assignee: GTE Products Corporation
    Inventors: Edward D. Parent, Charles S. Purinton, Charles W. Sutter
  • Method of making packaged IC chip
    Patent number: 4653174
    Abstract: In the manufacture of a packaged IC chip, a lead frame segment has a plurality of leads, the ends of which are connected to opposing rails. After the leads are secured to a lead frame support, the rails are removed and an IC chip is then connected. The chip and lead frame are then encapsulated between the support and a cover.
    Type: Grant
    Filed: January 27, 1986
    Date of Patent: March 31, 1987
    Assignee: GTE Products Corporation
    Inventors: Thomas G. Gilder, Jr., Raymond D. O'Dean
  • Thermostatic metal
    Patent number: 4645120
    Abstract: A thermostatic metal comprises a layer of a low expansion metal bonded to a layer of a high expansion metal, the outer surface of one of the layers comprising a layer of similar composition but containing, in addition, a grain growth limiting additive.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: February 24, 1987
    Assignee: GTE Products Corporation
    Inventors: Jacob L. Ornstein, Michael A. Hydock
  • Process for deagglomerating and classifying phosphors
    Patent number: 4643363
    Abstract: Fired phosphor powder is deagglomerated by introducing a slurry thereof to the bottom of a vibratory mill while water is added to the top of the mill. This establishes a vertical gradient in the phosphor concentration in the slurry, the bottom being thicker than the top. The fine phosphor particles move out faster through an outlet at the top, while the coarse particles receive longer milling time.
    Type: Grant
    Filed: June 4, 1981
    Date of Patent: February 17, 1987
    Assignee: GTE Products Corporation
    Inventor: Robert A. Long
  • Infrared cadmium selenide photoconductor and process of making same
    Patent number: 4643961
    Abstract: An infrared responsive cadmium selenide photoconductor is prepared by blending cadmium selenide, copper-containing cadmium selenide mix and cadmium chloride, and then firing the blend at 425.degree. C.
    Type: Grant
    Filed: November 22, 1982
    Date of Patent: February 17, 1987
    Assignee: GTE Products Corporation
    Inventor: Sixdeniel Faria
  • Tin based ductile brazing alloys
    Patent number: 4643875
    Abstract: An alloy for brazing ceramic to a ceramic or a metal consists essentially of 35 to 95% tin, 0.5 to 70% silver, 0.5 to 20% copper, 0.1 to 4% titanium and/or vanadium and/or zirconium, 0 to 5% nickel, 0 to 2% chromium, all percentages by weight.
    Type: Grant
    Filed: July 24, 1985
    Date of Patent: February 17, 1987
    Assignee: GTE Products Corporation
    Inventor: Howard Mizuhara
  • Silicon nitride having low dielectric loss
    Patent number: 4642299
    Abstract: A composition having a low dielectric constant and low dielectric loss tangent from room temperature to at least about 1100.degree. C. comprises a silicon nitride based material containing an effective amount of a sintering aid and an effective amount of a low dielectric loss promoter.
    Type: Grant
    Filed: June 27, 1985
    Date of Patent: February 10, 1987
    Assignee: GTE Products Corporation
    Inventor: Martin Y. Hsieh
  • Miniaturized circuit breaker
    Patent number: 4636766
    Abstract: A circuit breaker comprises a two piece metal enclosure, a cover and a base. Disposed within the enclosure is a PMB bimetal which is fastened to a step in the cover. The opening time of the circuit breaker can be adjusted by means of the step.
    Type: Grant
    Filed: February 19, 1985
    Date of Patent: January 13, 1987
    Assignee: GTE Products Corporation
    Inventors: Douglas C. Carbone, Philip J. Dennis
  • Station protector
    Patent number: 4633360
    Abstract: A station protector for communication lines includes an electrical conductor formed for connection to the communications lines and affixed to a base member, a grounding means affixed to the base member, an arrester cartridge disposed in an aperture in the base member and a biased resilient member electrically coupling the electrical conductor to a surge voltage arrester or to circuit ground in the absence of the arrester.
    Type: Grant
    Filed: May 17, 1984
    Date of Patent: December 30, 1986
    Assignee: GTE Products Corporation
    Inventor: Nils P. Mickelson
  • Telephone line status indicator
    Patent number: D288070
    Type: Grant
    Filed: July 5, 1984
    Date of Patent: February 3, 1987
    Assignee: GTE Service Corporation
    Inventor: Woodrow W. Williams
  • Telephone network interface device
    Patent number: D291081
    Type: Grant
    Filed: January 13, 1986
    Date of Patent: July 28, 1987
    Assignee: GTE Products Corporation
    Inventors: N. Peter Mickelson, John J. Napiorkowski