Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4700568 | Pulse accumulator network adapted for use in a flow monitoring system | — | 1987-10-20 |
| 4562739 | Production monitoring system | F. Allen Lehman, Malcolm G. Ray | 1986-01-07 |
| 4481503 | Production monitoring system | F. Allen Lehman, Malcolm G. Ray | 1984-11-06 |