Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6359711 | System and method for supporting a worker in a distributed work environment | Stephen Michael Cole, Jeffrey Alan Schanhals | 2002-03-19 |
| 6337856 | Multimedia data communications system | Jeffrey Alan Schanhals, Christopher Carl Steffes, Anthony Tonizzo | 2002-01-08 |
| 6298047 | Method and apparatus for establishing a data link between a portable data communications device and an interface circuit | Christopher Carl Steffes, Anthony Tonizzo | 2001-10-02 |
| D376600 | Telecommunications unit | James F. MacKay | 1996-12-17 |
| 5457742 | Wireless telephone remote control system | James F. MacKay | 1995-10-10 |
| D348070 | Telecommunication voice/data switch | — | 1994-06-21 |