Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809321 | Busy/no-answer call completion equipment | Sanford J. Morganstein, Bakulesh A. Mehta, Herbert B. Krakau, Mark D. Klecka | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809321 | Busy/no-answer call completion equipment | Sanford J. Morganstein, Bakulesh A. Mehta, Herbert B. Krakau, Mark D. Klecka | 1989-02-28 |