Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364529 | Leader pin | Robert M. Barto, Jr., Bernard V. Emden | 1982-12-21 |
| 4335955 | Electrostatic display apparatus | — | 1982-06-22 |
| 4322155 | Electrostatic display apparatus | — | 1982-03-30 |