Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342553 | Glass to nickel-iron alloy seal | William A. Graff | 1982-08-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342553 | Glass to nickel-iron alloy seal | William A. Graff | 1982-08-03 |