Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885661 | Private branch exchange built using an ATM Network | David Ian Hopper, Greg Bernstein, Michel Khouderchah, Denny Landaveri, Du-Tuan Lam +1 more | 2005-04-26 |
| 6643285 | Message based packet switch based on a common, generic bus medium for transport | John Edward Vincent, Gary Depelteau, Tony Huang, David Fisher, James Leslie Watchorn +1 more | 2003-11-04 |
| 6501766 | Generic bus system | Melhem I. Chaar, James Leslie Watchorn, David Fisher, Michael F. Kemp, Osama Bahgat | 2002-12-31 |
| 6393026 | Data packet processing system and method for a router | — | 2002-05-21 |
| 6052683 | Address lookup in packet data communication networks | — | 2000-04-18 |
| 5862136 | Telecommunications apparatus and method | — | 1999-01-19 |
| 5841771 | Telecommunications switch apparatus and method for time switching | Du-Tuan Lam | 1998-11-24 |
| 4873682 | Digital key telephone system | Paul J. Smelters, David Joseph Robertson, Ronald J. Maginley | 1989-10-10 |
| 4621361 | Communication switching system | Jalal Ebrahimi | 1986-11-04 |