Heinrich-Hertz-Institut fur Nachrichtentechnik Berlin GmbH
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heinrich-Hertz-Institut fur Nachrichtentechnik Berlin GmbH.The latest application filed is for "measurement method for the determination of low levels of optical absorption".
- Heinrich-Hertz-Institut fur Nachrichtentechnik Berlin GmbH - Berlin DE
- Heinrich-Hertz-Institut fur Nachrichtentechnik Berlin GmbH - DE DE
| Patent | Date |
|---|---|
| Measurement method for the determination of low levels of optical absorption Grant 5,185,645 - Sartorius , et al. February 9, 1 | 1993-02-09 |
| Communication system for videoconferencing Grant 4,650,929 - Boerger , et al. March 17, 1 | 1987-03-17 |
| Circuit arrangement for user stations in a communications network Grant 4,351,049 - Nobis September 21, 1 | 1982-09-21 |
| Interactive cable television system Grant 4,290,142 - Schnee , et al. September 15, 1 | 1981-09-15 |
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