loadpatents
name:-0.00035905838012695
name:-0.015022039413452
name:-0.00040793418884277
Chambers, Jr.; Charles W. Patent Filings

Chambers, Jr.; Charles W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chambers, Jr.; Charles W..The latest application filed is for "improved electronic hybrid circuit".

Company Profile
0.14.0
  • Chambers, Jr.; Charles W. - Downers Grove IL
  • Chambers, Jr.; Charles W. - Amherst OH
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Improved electronic hybrid circuit
Grant 4,375,015 - Chambers, Jr. February 22, 1
1983-02-22
Electronic transformer
Grant 4,363,008 - Chambers, Jr. December 7, 1
1982-12-07
Impedance canceller circuit
Grant 4,357,494 - Chambers, Jr. November 2, 1
1982-11-02
Impedance generator circuit
Grant 4,350,964 - Chambers, Jr. September 21, 1
1982-09-21
Current source circuits with common mode noise rejection
Grant 4,283,604 - Chambers, Jr. August 11, 1
1981-08-11
Loop extender
Grant 4,130,735 - Chambers, Jr. , et al. December 19, 1
1978-12-19
Repeater for transmission lines of differing lengths
Grant 3,989,907 - Chambers, Jr. November 2, 1
1976-11-02
Switching Circuit For Preventing Lost Calls
Grant 3,854,012 - Chambers, Jr. December 10, 1
1974-12-10
Impedance Simulating Circuit For Transmission Lines
Grant 3,828,281 - Chambers, Jr. August 6, 1
1974-08-06
Method And Apparatus For Amplifying Signal Transmission Through Transmission Lines
Grant 3,818,151 - Chambers, Jr. , et al. June 18, 1
1974-06-18
Amplifier Circuit For Transmission Lines
Grant 3,706,862 - Chambers, Jr. December 19, 1
1972-12-19
Multistate Voltage Booster Circuit For Telephone Systems
Grant 3,639,696 - Chambers, Jr. February 1, 1
1972-02-01
Polarity Responsive Circuit For Telephone Systems
Grant 3,626,201 - Chambers, Jr. December 7, 1
1971-12-07
Bidirectional Additive Amplifier
Grant 3,573,402 - Chambers, Jr. April 6, 1
1971-04-06

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.

© 2024 USPTO.report | Privacy Policy | Resources | RSS Feed of Trademarks | Trademark Filings Twitter Feed