Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5145757 | Method of forming stable images in electron beam writable glass compositions | Joseph Hayden | 1992-09-08 |
| 5114813 | Method of forming stable images in electron beam writable glass compositions | Joseph Hayden, Marc Clement, Danuta Grabowski, Eva Holzel, Peter Nass +1 more | 1992-05-19 |