Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749634 | Elastic mounting for track pivot pins in endless hinged vehicular crawler drive tracks | Klaus Spies | 1998-05-12 |
| 5632538 | Drive system for a caterpillar track | Klaus Spies, Bernd-Dieter Neubert | 1997-05-27 |
| 5058963 | Belt-type caterpillar for track-laying vehicles and snowmobiles | Klaus Spies, Ekkehard Oertgen | 1991-10-22 |
| 4735465 | Arrangement for the connection of the track links of endless crawler track vehicles | Gunter Erlenmaier, Klaus Spies | 1988-04-05 |
| 4572588 | Connecting elements for crawler track vehicle chains pursuant to the dually-hinged pin principle | Heinz E. Mattern | 1986-02-25 |