Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705648 | Mepiquat chloride | Richard U. Clark, James S. Lovell, David W. Bristol, John Raymond Tyndall, Albert Roger Frisbee | 1998-01-06 |
| 4656768 | Wind driven sign | — | 1987-04-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705648 | Mepiquat chloride | Richard U. Clark, James S. Lovell, David W. Bristol, John Raymond Tyndall, Albert Roger Frisbee | 1998-01-06 |
| 4656768 | Wind driven sign | — | 1987-04-14 |