Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5050867 | Portable protective cage for athletic equipment | Delbert B. Rand | 1991-09-24 |
| 4701126 | Elevated temperature dehydration section for particle drying pulse jet combustion systems | Robert R. Gray | 1987-10-20 |
| 4640682 | Pulse jet combustor dehydration cone construction | Robert R. Gray | 1987-02-03 |
| 4624635 | Construction for pulse jet combustor dehydration section | Robert R. Gray | 1986-11-25 |