Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562523 | Direct write all-glass photomask blanks | Laurie Ann Wu | 2003-05-13 |
| 6524756 | Gray scale all-glass photomasks | — | 2003-02-25 |
| 5285517 | High energy beam sensitive glasses | — | 1994-02-08 |
| 5078771 | Method of making high energy beam sensitive glasses | — | 1992-01-07 |
| 4894303 | High energy beam-sensitive glasses | — | 1990-01-16 |
| 4670366 | High energy beam sensitive glasses | — | 1987-06-02 |
| 4567104 | High energy beam colored glasses exhibiting insensitivity to actinic radiation | — | 1986-01-28 |
| 4351662 | Method of making photosensitive porous glass | Thomas Elmer | 1982-09-28 |
| 4347309 | Photosensitive polyphosphate comprising Ag and Cl | — | 1982-08-31 |
| 4297417 | Photosensitive colored glasses exhibiting alterable photo-anisotropic effects | — | 1981-10-27 |
| 4296479 | Method for optical recording in photo-dichroic glass surfaces | — | 1981-10-20 |
| 4191547 | Method of making photosensitive colored glasses exhibiting alterable photo-anisotropic effects | — | 1980-03-04 |