Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6529883 | Prepayment energy metering system with two-way smart card communications | David Moon Yee, Robert H. Bickley, Theodore Woolley Keller | 2003-03-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6529883 | Prepayment energy metering system with two-way smart card communications | David Moon Yee, Robert H. Bickley, Theodore Woolley Keller | 2003-03-04 |