Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6331914 | Optical interference coating capable of withstanding severe temperature environments | William H. Howard | 2001-12-18 |
| 5923471 | Optical interference coating capable of withstanding severe temperature environments | William H. Howard | 1999-07-13 |