Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788382 | Duplex glass preforms for hermetic glass-to-metal compression sealing | John E. Ahearn, Raymond A. Frates, Dennis Girard, Richard A. Koepke, James K. Schmidt +1 more | 1988-11-29 |