Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287444 | Message processing system | James C. P. Lum, Ronald L. Obermarck, Kurt Alan Shoens | 1994-02-15 |
| 4941175 | Tamper-resistant method for authorizing access to data between a host and a predetermined number of attached workstations | James C. P. Lum | 1990-07-10 |