Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11586093 | Method and system for converting position or momentum correlation of photon pairs to a polarization entangled photon pair | Chithrabhanu PERUMANGATT, Lohrmann Alexander | 2023-02-21 |
| 4288870 | Integrated telephone transmission and switching system | John C. McDonald, James R. Baichtal, Bradley A. Helliwell, Craig P. Schaffter | 1981-09-08 |
| 4232386 | Subscriber switch controller for controlling connections between a plurality of telephone subscriber lines and a pair of multitime-slot digital data buses | John C. McDonald, James R. Baichtal | 1980-11-04 |