Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5400116 | Apparatus and method for producing gradated exposures on radiation sensitive material | Howard P. Jehan, Gary A. Granath, Mark R. O'Donnell | 1995-03-21 |
| 4582546 | Method of pretreating cold rolled sheet to minimize annealing stickers | Colin Hamilton, Robert M. Hudson | 1986-04-15 |
| 4402747 | Rust Inhibiting for steel | Edward J. Helwig | 1983-09-06 |