Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693580 | Titanium sealing glasses and seals formed therefrom | Howard L. McCollister, Carol C. Phifer, Delbert E. Day | 1997-12-02 |
| 5648302 | Sealing glasses for titanium and titanium alloys | Howard L. McCollister, Carol C. Phifer, Delbert E. Day | 1997-07-15 |