Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11783650 | Method and system for access control using short-range wireless communications | Zdenek Balák | 2023-10-10 | |
| 9420080 | Method and apparatus for providing privacy for telephone conversations | Bing Chen, John D. Francis, Laurie Frances Garrison, Diane Nawrocki | 2016-08-16 | $31,555,000 |
| 9178478 | Method and apparatus for providing privacy for telephone conversations | Bing Chen, John D. Francis, Laurie Frances Garrison, Diane Nawrocki | 2015-11-03 | $29,220,000 |
| 7738643 | Method for troubleshooting echo on teleconference bridge | Laurie Frances Garrison, Bing Chen, John D. Francis, Diane Nawrocki | 2010-06-15 | $17,308,000 |
| 4419088 | Gate folding apparatus | — | 1983-12-06 |