Boatwright; John T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Boatwright; John T..The latest application filed is for "call security system".
- Boatwright; John T. - Hopkinton NH
- Boatwright; John T. - Hopkins NH
- Boatwright; John T. - Concord NH
| Patent | Date |
|---|---|
| Call security system Grant 8,200,190 - Boatwright June 12, 2 | 2012-06-12 |
| Call Security System App 20100310055 - Boatwright; John T. | 2010-12-09 |
| Call security system Grant 7,747,243 - Boatwright June 29, 2 | 2010-06-29 |
| Call security system App 20040176069 - Boatwright, John T. | 2004-09-09 |
| Call security system which detects fraud by examination of call history Grant 6,505,039 - Boatwright January 7, 2 | 2003-01-07 |
| Call security system App 20020173292 - Boatwright, John T. | 2002-11-21 |
| Call security system Grant 6,185,415 - Boatwright February 6, 2 | 2001-02-06 |
| Call-disposition analyzer Grant 5,291,547 - Boatwright , et al. March 1, 1 | 1994-03-01 |
| Special services add-on for dial pulse activated telephone switching office Grant 4,232,199 - Boatwright , et al. November 4, 1 | 1980-11-04 |
| Digital Analysis Of Electric Wave Signals Grant 3,735,263 - Boatwright May 22, 1 | 1973-05-22 |
| Voltage Ratio Apparatus With Logarithmic Output Grant 3,691,473 - Boatwright September 12, 1 | 1972-09-12 |
| Method And Apparatus For Testing A Communication Line Grant 3,663,769 - Boatwright , et al. May 16, 1 | 1972-05-16 |
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.
| 