Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600710 | Method for providing a recorded message to a telephone caller when called number is busy | Frank Weisser | 1997-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600710 | Method for providing a recorded message to a telephone caller when called number is busy | Frank Weisser | 1997-02-04 |