Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550248 | Electrical generating system using solar energy | Bruce Sangster | 2003-04-22 |
| 6507644 | Pre-paid telephone calling card linked to a stored value account | Karl M. Henderson, David K. Ford, Kamran Mir | 2003-01-14 |