Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425823 | Mechanism for controlling remotely disposed industrial valves and the like | Walter Kulischenko | 1984-01-17 |
| 4424045 | Rigid high speed flexible shaft casing assembly for tight radii installations | Walter Kulischenko | 1984-01-03 |