Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407064 | Apparatus for pulling transverse fins onto a plurality of pipes | Peter Denner, Alfred Jockel | 1983-10-04 |
| 4330934 | Apparatus for pulling transverse fins onto a plurality of pipes | Peter Denner, Alfred Jockel | 1982-05-25 |