Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4276325 | Method for supporting flexible sheet while applying graded shade band thereon | Dennis S. Postupack | 1981-06-30 |
| 4254734 | Apparatus for forming graded shade band on substrate | Dennis S. Postupack, Richard L. Emmert | 1981-03-10 |
| 4254735 | Apparatus for supporting flexible sheet while applying graded shade band thereon | Dennis S. Postupack | 1981-03-10 |
| 4208446 | Method for forming graded shade band on substrate | Dennis S. Postupack, Richard L. Emmert | 1980-06-17 |