Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659434 | Collapsible sparger | Ralph E. Casas, Henry J. Semerak, Rodney D. Chevalier, Willibrord A. Groten | 2003-12-09 |
| 6583325 | Process for the production of tertiary alkyl ethers | Lawrence A. Smith, Jr., Hugh M. Putman, Henry J. Semerak | 2003-06-24 |