Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613889 | Method of making a tensioned focus mask | Richard William Nosker, Joey John Michalchuk, Elmer W. Hodge | 1997-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613889 | Method of making a tensioned focus mask | Richard William Nosker, Joey John Michalchuk, Elmer W. Hodge | 1997-03-25 |