Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4371090 | Secondary seal for floating roof storage tank | Bernard C. Ogarek | 1983-02-01 |
| 4369044 | Leveling system for dry seal gasholders | — | 1983-01-18 |
| 4287999 | Secondary seal for floating roof storage tank | — | 1981-09-08 |