Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11489711 | Digital optical transmitter for digitized narrowcast signals | Zoran Maricevic, Marcel F. Schemmann, Dean Painchaud, Zhijian Sun | 2022-11-01 |
| 11102529 | Echo cancellation in a bidirectional communication system for out of band signaling to a user device | Marcel F. Schemmann, Derald Cummings | 2021-08-24 |
| 10382802 | Echo cancellation in a bidirectional communication system for out of band signaling to a user device | Marcel F. Schemmann, Derald Cummings | 2019-08-13 |
| 9923751 | Overlay system with digital optical transmitter for digitized narrowcast signals | Zoran Maricevic, Marcel F. Schemmann, Dean Painchaud, Zhijian Sun | 2018-03-20 |
| 9209898 | Systems and methods for reducing frequency spectrum losses in a bidirectional communication system | Marcel F. Schemmann, Derald Cummings | 2015-12-08 |
| 5594490 | System for distributing video/audio files from central location to a plurality of cable headends | Jay Schiller, Richard A. Schmelzer, Daniel J. Zigmond | 1997-01-14 |
| PP5055 | Citrus hybrid Templeo | — | 1983-05-24 |