Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6253830 | Apparatus and method for sand core debonding and heat treating metal castings | Karin Bickford, Robert B. Roaper | 2001-07-03 |
| 4457788 | Particulate medium for fluidized bed operations | Robert Staffin | 1984-07-03 |