Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4292671 | Digital altimeter computer | James D. Evans | 1981-09-29 |
| 4183056 | Apparatus and method for monitoring sports contests | James D. Evans | 1980-01-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4292671 | Digital altimeter computer | James D. Evans | 1981-09-29 |
| 4183056 | Apparatus and method for monitoring sports contests | James D. Evans | 1980-01-08 |