Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639116 | Simplified methods of making 1,3-cyclohexadiene | John G. Lever, John Christopher Sworen | 2003-10-28 |
| 6116135 | Unitary resilient cover for rotary anvil | — | 2000-09-12 |
| 5234286 | Underground water reservoir | — | 1993-08-10 |
| 4889322 | Post brace apparatus and system | — | 1989-12-26 |