Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35758 | Voice/data-formatted telephone information storage and retrieval system | Walter W. Winter, Dale E. Cannon | 1998-03-31 |
| 4918322 | Voice/data-formatted telephone information storage and retrieval system | Walter W. Winter, Dale E. Cannon | 1990-04-17 |