Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8715777 | Method for producing glass substrate for magnetic disk and method for producing magnetic disk | Joseph A. Marquez | 2014-05-06 |
| 8383196 | Method for producing glass substrate for magnetic disk and method for producing magnetic disk | Joseph A. Marquez | 2013-02-26 |