Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4461654 | Method for removing scale dust from steel rod after mechanical descaling | William H. Johns | 1984-07-24 |
| 4394786 | Apparatus for cleaning and scale dust removal from steel rod after mechanical descaling | William H. Johns | 1983-07-26 |