Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028814 | Conveyor apparatus and method | James J. Szalankiewicz, Scott Walter | 2011-10-04 |
| 6237753 | Conveyor apparatus and method | Scott Walter, James J. Szalankiewicz | 2001-05-29 |
| 5645158 | Extensible continuous haulage system | James J. Szalankiewicz, Scott Walter | 1997-07-08 |
| 5590757 | Extensible continuous haulage system | Scott Walter, James J. Szalankiewicz | 1997-01-07 |
| 5353920 | Extensible continuous haulage system | James J. Szalankiewicz, Scott Walter | 1994-10-11 |