Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11532444 | Contact unit for supplying vehicles with power and related method | Hans Rastl, Siegfried Gadocha, Herbert Wallmann | 2022-12-20 |
| 5013333 | Unattended air cleaning system for surface maintenance machine | Jeffrey J. Beaufoy, Steven A. Burke | 1991-05-07 |