Rosenbaum; Stanley D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rosenbaum; Stanley D..The latest application filed is for "telephone line interface circuit with voltage control".
- Rosenbaum; Stanley D. - Ottawa CA
| Patent | Date |
|---|---|
| Telephone line interface circuit with voltage control Grant 5,661,794 - Rosch , et al. August 26, 1 | 1997-08-26 |
| Method of providing d.c. feed to a telephone line Grant 5,511,118 - Gores , et al. April 23, 1 | 1996-04-23 |
| Protection and recovery of telephone line interface circuits Grant 5,390,231 - Hung , et al. February 14, 1 | 1995-02-14 |
| Telephone line interface circuit with voltage switching Grant 5,323,461 - Rosenbaum , et al. June 21, 1 | 1994-06-21 |
| Wideband telephone line interface circuit Grant 5,274,702 - Rosch , et al. December 28, 1 | 1993-12-28 |
| High voltage converter Grant 5,103,387 - Rosenbaum , et al. April 7, 1 | 1992-04-07 |
| Active impedance transformer assisted line feed circuit with supervision filtering Grant 4,539,438 - Rosenbaum , et al. September 3, 1 | 1985-09-03 |
| Line feed circuit including negative impedance circuit Grant 4,532,384 - Keriakos , et al. July 30, 1 | 1985-07-30 |
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.
| 