Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4475111 | Portable collapsing antenna | Norman C. Gittinger, James R. Lewis | 1984-10-02 |
| 4377870 | Electronic audience polling system | Roy E. Anderson, James R. Lewis | 1983-03-22 |
| 4290141 | Electronic voting system | Roy E. Anderson, James R. Lewis | 1981-09-15 |