Sowa; Hans C.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sowa; Hans C..The latest application filed is for "device, system and method for preventing audio loss".

Company Profile

2.8.6

Sowa; Hans C. - Schaumburg IL
Sowa; Hans C - Schaumburg IL

*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
Device, system and method for preventing audio loss Grant 10,524,260 - Yang , et al. Dec	2019-12-31
Device, System And Method For Preventing Audio Loss App 20190349924 - YANG; Yunhai ; et al.	2019-11-14
Method and apparatus for assigning a talk group to a radio within a communication system Grant 9,402,166 - Sowa , et al. July 26, 2	2016-07-26
Method And Apparatus For Assigning A Talk Group To A Radio Within A Communication System App 20160198313 - SOWA; HANS C. ; et al.	2016-07-07
Method and device for managing encrypted group rekeying in a radio network link layer encryption system Grant 9,332,428 - Kruegel , et al. May 3, 2	2016-05-03
Method and device for rekeying in a radio network link layer encryption system Grant 8,948,378 - Sowa , et al. February 3, 2	2015-02-03
Method And Device For Managing Encrypted Group Rekeying In A Radio Network Link Layer Encryption System App 20140198916 - KRUEGEL; CHRIS A. ; et al.	2014-07-17
Method and device for managing encrypted group rekeying in a radio network link layer encryption system Grant 8,781,132 - Kruegel , et al. July 15, 2	2014-07-15
Method And Device For Managing Encrypted Group Rekeying In A Radio Network Link Layer Encryption System App 20130243195 - KRUEGEL; CHRIS A. ; et al.	2013-09-19
Method And Device For Rekeying In A Radio Network Link Layer Encryption System App 20130223622 - SOWA; HANS C. ; et al.	2013-08-29
Roaming encryption key rekeying apparatus and method App 20060233371 - Sowa; Hans C. ; et al.	2006-10-19
Method and apparatus for providing secure communications for a requested call Grant 5,619,572 - Sowa April 8, 1	1997-04-08
Encryption key management Grant 5,412,722 - Sherly , et al. May 2, 1	1995-05-02
Encryption and decryption of chained messages Grant 5,161,189 - Bray , et al. November 3, 1	1992-11-03

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.