Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399598 | Ceramic rolls with metal end caps | Henry P. Hanneken | 1983-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399598 | Ceramic rolls with metal end caps | Henry P. Hanneken | 1983-08-23 |