Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580086 | Railcar cover systems | Mark Doldon, John Cruikshank, Marvin Hlynka | 2017-02-28 |
| 7878124 | Semi-rigid railcar cover | Mark Doldon, John Cruikshank | 2011-02-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580086 | Railcar cover systems | Mark Doldon, John Cruikshank, Marvin Hlynka | 2017-02-28 |
| 7878124 | Semi-rigid railcar cover | Mark Doldon, John Cruikshank | 2011-02-01 |