Butterfield; David A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Butterfield; David A..The latest application filed is for "method and apparatus for using a directory service to facilitate centralized device naming".

Company Profile

0.7.3

Butterfield; David A. - Broomfield CO
Butterfield; David A. - Mountain Home AK
Butterfield; David A. - Sylmar CA

*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
Method and apparatus for using a directory service to facilitate centralized device naming Grant 7,925,872 - Lai , et al. April 12, 2	2011-04-12
Method and apparatus for using a directory service to facilitate centralized device naming App 20080043973 - Lai; Yonghong ; et al.	2008-02-21
Bus specific device enumeration system and method Grant 7,203,774 - Zhou , et al. April 10, 2	2007-04-10
Muffler for internal combustion engine Grant 6,942,061 - Butterfield , et al. September 13, 2	2005-09-13
Muffler For Internal Combustion Engine App 20050133301 - Butterfield, David A. ; et al.	2005-06-23
Bidirectional muffler Grant D492,634 - Butterfield , et al. July 6, 2	2004-07-06
Efficient direct memory access transfer of data and check information to and from a data storage device Grant 6,687,767 - Butterfield February 3, 2	2004-02-03
Efficient direct memory access transfer of data and check information to and from a data storage device App 20030084212 - Butterfield, David A.	2003-05-01
Dual operating system computer Grant 4,747,040 - Blanset , et al. May 24, 1	1988-05-24
Display context switching arrangement Grant 4,744,048 - Blanset , et al. May 10, 1	1988-05-10

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.