Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320212 | Bi-directional ratchet conveyor | Steven Rahman, Alexander Vigdorovich, Mark R. Rosa | 1994-06-14 |
| 5320213 | Accumulating ratchet conveyor | Steven Rahman, Alexander Vigdorovich, Mark R. Rosa | 1994-06-14 |