Inventor
Peter Israel Rosencrantz
Inventor
Boulder, CO, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication36%
H04MTelephonic communication36%
H04WWireless communication networks27%
PatentTitleYear
10,516,660Methods, systems, devices and products for authentication20199,385,863'System and method for authenticating a communication device'20168,929,521'System and method for authenticating a communication device'20157,912,192'Arrangement for managing voice over IP (VoIP) telephone calls, especially unsolicited or unwanted calls'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011Patents assigned to AT & T IP II LP (1)· patent assignee history
2011–2019Based in Boulder, CO, US· patent location history
2015–2019Patents assigned to AT & T IP I LP (3)· patent assignee history
2015Patents assigned to BEYER LORAINE (1)· patent assignee history
2015Patents assigned to CHEN DAVID FENG-LIN (1)· patent assignee history
2015Patents assigned to ROSENCRANTZ PETER (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AT & T IP I LP | 3 | 2015–2019 |
| AT & T IP II LP | 1 | 2011 |
| BEYER LORAINE | 1 | 2015 |
| CHEN DAVID FENG-LIN | 1 | 2015 |
| ROSENCRANTZ PETERself | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boulder, CO, US | 4 | 2011–2019 |