Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687649 | Monorail track structure | Weston R. Loomer | 1997-11-18 |
| 5613591 | Sortation conveyor and devices | Martin A. Heit, John O'Brien, John J. Wilkins, Randall P. Coons | 1997-03-25 |
| 5595279 | Sortation conveyor | John J. Wilkins, Walter L. Steffens, Martin A. Heit | 1997-01-21 |