Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689374 | GRIN lens and method of manufacturing | Xiaojie Xu | 1997-11-18 |
| 5630857 | Process for manufacturing GRIN lenses by melting a series of layers of frits | Xiaojie Xu | 1997-05-20 |