Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7845487 | Tripper car | — | 2010-12-07 |
| 7789217 | Dust control material transfer system | Douglas Osborn | 2010-09-07 |
| 6866071 | Dustless Stacker method and apparatus for a bulk solids handling and storage system | — | 2005-03-15 |
| 6634490 | Roller bed for a conveyor belt system | Edgar Hugh Schwartz | 2003-10-21 |
| 6543607 | Roller bed for a conveyor belt system | Edgar Hugh Schwartz | 2003-04-08 |