Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116800 | High durability and exhuast catalyst with low hydrogen sulfide emissions | W. Burton Williamson, Jack C. Summers | 1992-05-26 |
| 5041407 | High-temperature three-way catalyst for treating automotive exhaust gases | W. Burton Williamson, Jack C. Summers | 1991-08-20 |