Dingwall; Andrew Gordon Francis

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dingwall; Andrew Gordon Francis.The latest application filed is for "column driver with switched-capacitor d/a converter".

Company Profile

0.17.0

Dingwall; Andrew Gordon Francis - Princeton NJ
Dingwall; Andrew Gordon Francis - Bridgewater NJ
Dingwall; Andrew Gordon Francis - Somerville NJ
Dingwall; Andrew Gordon Francis - Somerset NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Column driver with switched-capacitor D/A converter Grant 6,046,719 - Dingwall April 4, 2	2000-04-04
Circuit and method for driving an organic light emitting diode (O-LED) display Grant 5,903,246 - Dingwall May 11, 1	1999-05-11
Liquid crystal display driver with threshold voltage drift compensation Grant 5,701,136 - Huq , et al. December 23, 1	1997-12-23
Method of making a substrate contact for an integrated circuit Grant 4,081,896 - Dingwall April 4, 1	1978-04-04
Integrated circuit device including both N-channel and P-channel insulated gate field effect transistors Grant 4,063,274 - Dingwall December 13, 1	1977-12-13
Circuit for starting current flow in current amplifier circuits Grant 4,051,392 - Rosenthal , et al. September 27, 1	1977-09-27
Method of making a semiconductor device Grant 4,045,250 - Dingwall August 30, 1	1977-08-30
Semiconductor integrated circuit device including an array of insulated gate field effect transistors Grant 4,045,811 - Dingwall August 30, 1	1977-08-30
Level shift circuit Grant 4,039,862 - Dingwall , et al. August 2, 1	1977-08-02
Current mirror amplifier Grant 4,010,425 - Dingwall , et al. March 1, 1	1977-03-01
Constant current supply Grant 4,009,432 - Dingwall , et al. February 22, 1	1977-02-22
Electrical circuit Grant 4,001,606 - Dingwall January 4, 1	1977-01-04
Voltage amplitude multiplying circuits Grant 4,000,412 - Rosenthal , et al. December 28, 1	1976-12-28
Memory cell with decoupled supply voltage while writing Grant 3,971,004 - Dingwall July 20, 1	1976-07-20
Semiconductor device including a conductor surrounded by an insulator Grant 3,936,859 - Dingwall February 3, 1	1976-02-03
Circuit For Improving Operation Of Semiconductor Memory Grant 3,714,638 - Dingwall , et al. January 30, 1	1973-01-30
Apparatus For Increasing The Speed Of Series Connected Transistors Grant 3,651,342 - Dingwall March 21, 1	1972-03-21

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