Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5721780 | User-transparent security method and apparatus for authenticating user terminal access to a network | Thaddeus Julius Kowalski, Agesino Primatic | 1998-02-24 |
| 5706334 | Apparatus for providing a graphical control interface | Michael W. Balk, Blaise Heltai, Garrett Gayer Hodgson, Richard H. Janow, Thaddeus Julius Kowalski +6 more | 1998-01-06 |
| 5623537 | Telephone message center | Anthony J. Grewe, Howard M. Singer | 1997-04-22 |
| 5550900 | Apparatus and method for routing messages in a telephone message center | Anthony J. Grewe, Howard M. Singer | 1996-08-27 |