Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4788382 | Duplex glass preforms for hermetic glass-to-metal compression sealing | John E. Ahearn, Raymond A. Frates, Dennis Girard, Richard A. Koepke, Robert M. O'Hern +1 more | 1988-11-29 | $1,589,000 |
| 4716082 | Duplex glass preforms for hermetic glass-to-metal sealing | John E. Ahearn, Raymond A. Frates, Dennis Girard, Richard A. Koepke, C. Dodd Manon | 1987-12-29 | $3,363,000 |