Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4257517 | Scraper bars for use with conveyor belting and the like | Edwin J. MacPherson, Douglas A. Skinner | 1981-03-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4257517 | Scraper bars for use with conveyor belting and the like | Edwin J. MacPherson, Douglas A. Skinner | 1981-03-24 |