Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5842447 | Cylinder block of an internal-combustion engine | Peter Krotky, Guenter Helsper, Antonius Rehr | 1998-12-01 |
| 5463991 | Cylinder head threaded connection arrangement | Peter Krotky, Walter Heinzelmann | 1995-11-07 |