Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4705611 | Method for internally electropolishing tubes | Robert Roeland, Frederic H. Schadewald | 1987-11-10 |
| 4601802 | Apparatus for internally electropolishing tubes | Robert Roeland, Frederic H. Schadewald | 1986-07-22 |