Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838637 | Integrated solid state non-volatile fiber optic switchboard | John A. Krawczak, Bernard S. Fritz, William A. Harvey | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838637 | Integrated solid state non-volatile fiber optic switchboard | John A. Krawczak, Bernard S. Fritz, William A. Harvey | 1989-06-13 |