| Original language | Undefined |
|---|---|
| Patent number | US 6,044,268 |
| Priority date | 28/03/00 |
| Publication status | Submitted - 28 Mar 2000 |
Keywords
- METIS-118338
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System and method for providing intercom and multiple voice channels in a private telephone system
- J.C. Haartsen (Inventor)
Research output: Patent