Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628950 | Method and apparatus for producing multilayer plastic articles | Ranganath K. Shastri, Herbert C. Roehrs, Ralph E. Ayres, Mark A. Barger, Jeffrey Nicholas Bremmer | 1997-05-13 |
| 5612820 | Birefringent interference polarizer | Victor S. Chang, John A. Wheatley | 1997-03-18 |