Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659434 | Collapsible sparger | Ralph E. Casas, Rodney D. Chevalier, Willibrord A. Groten, Clifford S. Crossland | 2003-12-09 |
| 6583325 | Process for the production of tertiary alkyl ethers | Lawrence A. Smith, Jr., Hugh M. Putman, Clifford S. Crossland | 2003-06-24 |
| 6232509 | Etherification process | Lawrence A. Smith, Jr., Willibrord A. Groten | 2001-05-15 |
| 5313005 | Method for controlling catalytic distillation etherifications | Lawrence A. Smith, Jr., Edward M. Jones, Jr. | 1994-05-17 |
| 5248837 | Method for controlling catalytic distillation etherifications | Lawrenc A. Smith, Jr., Edward M. Jones, Jr. | 1993-09-28 |
| 4916956 | Catalyst sampling device | Lawrence M. Schmidt, Graham John Charles Griffiths | 1990-04-17 |