Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680447 | Circuit and method for responding to third party calls in a telephone system having call waiting | Robert L. Diamond, Kamran Khojasteh | 1997-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680447 | Circuit and method for responding to third party calls in a telephone system having call waiting | Robert L. Diamond, Kamran Khojasteh | 1997-10-21 |