Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10004110 | Method and system for communication system interoperability | Robert S. Block, Richard Riccoboni, Rene A. Stiegler, III, Alan Spindel | 2018-06-19 |
| 9143221 | Method and apparatus for in-building communications | Robert S. Block, Rene A. Stiegler, III | 2015-09-22 |
| 8498570 | Method and apparatus for in-building communications | Robert S. Block, Rene A. Stiegler, III | 2013-07-30 |
| 6377938 | Real time subscriber billing system and method | Robert S. Block, Richard Riccoboni, Frederick H. Chapus, Jonathan R. Bramwell, J. Roger Daugherty | 2002-04-23 |
| 4584440 | Telephone disconnect apparatus | — | 1986-04-22 |