Spratt, David B.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Spratt, David B..The latest application filed is for "high gain bipolar junction transistor with counterdoped base in cmos technology".

Company Profile

0.10.1

Spratt, David B. - Plano TX

*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
High gain bipolar junction transistor with counterdoped base in CMOS technology App 20020058373 - Shen, Chi-Cheong ; et al.	2002-05-16
On-chip ESD protection in dual voltage CMOS Grant 6,143,594 - Tsao , et al. November 7, 2	2000-11-07
On-chip ESD protection in dual voltage CMOS Grant 6,137,144 - Tsao , et al. October 24, 2	2000-10-24
Method of forming a recessed contact bipolar transistor and field effect device Grant 5,075,241 - Spratt , et al. December 24, 1	1991-12-24
Method for forming protective barrier on silicided regions Grant 5,041,394 - Spratt , et al. August 20, 1	1991-08-20
Method for forming a recessed contact bipolar transistor and field effect transistor Grant 4,985,744 - Spratt , et al. January 15, 1	1991-01-15
Recessed contact bipolar transistor and method Grant 4,897,703 - Spratt , et al. January 30, 1	1990-01-30
Anadization system with remote voltage sensing and active feedback control capabilities Grant 4,891,103 - Zorinsky , et al. January 2, 1	1990-01-02
Anodizable strain layer for SOI semiconductor structures Grant 4,849,370 - Spratt , et al. July 18, 1	1989-07-18
Dielectric isolation using isolated silicon by limited anodization of an N+ epitaxially defined sublayer in the presence of a diffusion under film layer Grant 4,810,667 - Zorinsky , et al. March 7, 1	1989-03-07
Method for obtaining full oxide isolation of epitaxial islands in silicon utilizing selective oxidation of porous silicon Grant 4,628,591 - Zorinsky , et al. December 16, 1	1986-12-16

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.