Havermans; Gerardus M. J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Havermans; Gerardus M. J..The latest application filed is for "communication system and a private branch exchange to be used in such a communication system".
- Havermans; Gerardus M. J. - Hilversum NL
- Havermans; Gerardus M. J. - Eindhoven NL
| Patent | Date |
|---|---|
| Communication system and a private branch exchange to be used in such a communication system Grant 5,450,396 - Havermans September 12, 1 | 1995-09-12 |
| Communications system, switching exchange and line card Grant 5,418,838 - Havermans , et al. May 23, 1 | 1995-05-23 |
| Digital telephone exchange with means for processing packet-switched data Grant 4,486,878 - Havermans December 4, 1 | 1984-12-04 |
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