Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8196437 | Increasing the cladding-to-core ratio (D/d) of low D/d core rods in optical fiber preforms | Joseph P. Fletcher, III, Fengqing Wu | 2012-06-12 |
| 7836728 | Increasing the cladding-to-core ratio (D/d) of low D/d ratio core rods in optical fiber performs | Joseph P. Fletcher, III, Fengqing Wu | 2010-11-23 |
| 5281248 | VAd process improvements | David E. Schoonmaker | 1994-01-25 |