Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221198 | Method of stabilizing films or membranes using adhesive as a reservoir | Stefan H. Gryska, Ronald S. Steelman, Clinton P. Waller, Jr., Joseph Frisk, Steven Johnson | 2001-04-24 |
| 6114022 | Coated microporous inkjet receptive media and method for controlling dot diameter | David Warner | 2000-09-05 |
| 5681631 | Graphics transfer article | Ronald S. Steelman | 1997-10-28 |
| 5573865 | Graphics transfer article | Ronald S. Steelman | 1996-11-12 |