Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628827 | Non-recirculating, die supplied doctored roll coater with solvent addition | Robert P. McCollam, Norman E. Gehrke, Mark D. Larson, George D. Kostuch, Thomas W. Braid | 1997-05-13 |
| 5376402 | Ultrasonically assisted coating method | John W. Louks, Donald L. Pochardt, Robert B. Secor | 1994-12-27 |
| 5262193 | Ultrasonically assisted coating method | John W. Louks, Donald L. Pochardt, Robert B. Secor | 1993-11-16 |
| 4620901 | Separation of acetone from methanol by extractive distillation | Lloyd Berg | 1986-11-04 |
| 4584063 | Separation of acetone from methanol by extractive distillation | Lloyd Berg | 1986-04-22 |