Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4717120 | Discharge valve for bulk containers | W. Douglas Fremow, Roger H. Ellert | 1988-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4717120 | Discharge valve for bulk containers | W. Douglas Fremow, Roger H. Ellert | 1988-01-05 |