Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863501 | Method of employing plasma for finishing start rods | — | 1989-09-05 |
| 4826288 | Method for fabricating optical fibers having cores with high rare earth content | Bill C. McCollum, Richard P. Tumminelli | 1989-05-02 |