David D. Thornburg

Person

Los Altos, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Simplified touch tablet data device
- Patent number 4,570,149
- Issue date Feb 11, 1986
- Koala Technologies Corporation
- David D. Thornburg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Touch tablet data device
- Patent number 4,484,026
- Issue date Nov 20, 1984
- Koala Technologies Corporation
- David D. Thornburg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand controller
- Patent number 4,465,908
- Issue date Aug 14, 1984
- William M. Griffith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Keyswitch arrangement
- Patent number 4,321,441
- Issue date Mar 23, 1982
- Xerox Corporation
- David D. Thornburg
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Graphics pen for soft displays
- Patent number 4,318,096
- Issue date Mar 2, 1982
- Xerox Corporation
- David D. Thornburg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Backup electrode for an electrostatic recorder
- Patent number 4,315,270
- Issue date Feb 9, 1982
- Xerox Corporation
- William A. Lloyd
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cursor control
- Patent number 4,313,113
- Issue date Jan 26, 1982
- Xerox Corporation
- David D. Thornburg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Capacitance controlled keyswitch
- Patent number 4,288,836
- Issue date Sep 8, 1981
- Xerox Corporation
- David D. Thornburg
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Selectively electrolessly depositing a metal pattern on the surface...
- Patent number 4,264,646
- Issue date Apr 28, 1981
- Xerox Corporation
- David D. Thornburg
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of forming defined conductive patterns in a thin gold film
- Patent number 4,223,088
- Issue date Sep 16, 1980
- Xerox Corporation
- David D. Thornburg
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Resistive electrode amorphous semiconductor negative resistance device
- Patent number 4,181,913
- Issue date Jan 1, 1980
- Xerox Corporation
- David D. Thornburg
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Capacitive transducer
- Patent number 4,177,421
- Issue date Dec 4, 1979
- Xerox Corporation
- David D. Thornburg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Process for making electrode with integral dielectric layer
- Patent number 4,172,757
- Issue date Oct 30, 1979
- Xerox Corporation
- David D. Thornburg
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Thin film programmable read-only memory having transposable input a...
- Patent number 4,162,538
- Issue date Jul 24, 1979
- Xerox Corporation
- David D. Thornburg
- G11 - INFORMATION STORAGE
Information Patent Grant
Progressively shorted tapered resistance device
- Patent number 4,126,824
- Issue date Nov 21, 1978
- Xerox Corporation
- David D. Thornburg
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tapered resistor meter
- Patent number 4,121,153
- Issue date Oct 17, 1978
- Xerox Corporation
- David D. Thornburg
- G01 - MEASURING TESTING
Information Patent Grant
Method for reducing power dissipation in tapered resistor devices
- Patent number 4,118,112
- Issue date Oct 3, 1978
- Xerox Corporation
- David D. Thornburg
- G02 - OPTICS
Information Patent Grant
Consumable credit card
- Patent number 4,104,515
- Issue date Aug 1, 1978
- Xerox Corporation
- David D. Thornburg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Monolithic electronic scanning device
- Patent number 4,099,071
- Issue date Jul 4, 1978
- Xerox Corporation
- David D. Thornburg
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low profile single channel thermal analog recorder
- Patent number 4,056,822
- Issue date Nov 1, 1977
- Xerox Corporation
- David D. Thornburg
- G01 - MEASURING TESTING
Information Patent Grant
Analog chart recorder employing thermal printing means
- Patent number 4,056,823
- Issue date Nov 1, 1977
- Xerox Corporation
- David D. Thornburg
- G01 - MEASURING TESTING
Information Patent Grant
Shift register utilizing amorphous semiconductor threshold switches
- Patent number 3,987,311
- Issue date Oct 19, 1976
- Xerox Corporation
- David D. Thornburg
- G11 - INFORMATION STORAGE
Information Patent Grant
Non-crystalline device memory array
- Patent number 3,979,586
- Issue date Sep 7, 1976
- Xerox Corporation
- David D. Thornburg
- G11 - INFORMATION STORAGE
Information Patent Grant
Stable non-crystalline material for switching devices
- Patent number 3,975,755
- Issue date Aug 17, 1976
- Xerox Corporation
- David D. Thornburg
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Selective etchants for thin film devices
- Patent number 3,956,042
- Issue date May 11, 1976
- Xerox Corporation
- David D. Thornburg
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermal printer using amorphous semiconductor devices
- Patent number 3,953,708
- Issue date Apr 27, 1976
- Xerox Corporation
- David D. Thornburg
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

David D. Thornburg

Person

Patents Grantslast 30 patents

Simplified touch tablet data device

Touch tablet data device

Hand controller

Keyswitch arrangement

Graphics pen for soft displays

Backup electrode for an electrostatic recorder

Cursor control

Capacitance controlled keyswitch

Selectively electrolessly depositing a metal pattern on the surface...

Method of forming defined conductive patterns in a thin gold film

Resistive electrode amorphous semiconductor negative resistance device

Capacitive transducer

Process for making electrode with integral dielectric layer

Thin film programmable read-only memory having transposable input a...

Progressively shorted tapered resistance device

Tapered resistor meter

Method for reducing power dissipation in tapered resistor devices

Consumable credit card

Monolithic electronic scanning device

Low profile single channel thermal analog recorder

Analog chart recorder employing thermal printing means

Shift register utilizing amorphous semiconductor threshold switches

Non-crystalline device memory array

Stable non-crystalline material for switching devices

Selective etchants for thin film devices

Thermal printer using amorphous semiconductor devices