Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355990 | Balustrade handrail entry safety device | John T. Pitts, Gerald E. Johnson | 1994-10-18 |
| 5284237 | Sound insulation for escalator balustrade | Gerald E. Johnson, Mukunda B. Pramanik | 1994-02-08 |