Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8839942 | Method and device for monitoring the functioning of an escalator or of a moving walkway | Andreas Tautz, Christian Maletzki | 2014-09-23 |
| 5614050 | Method and article for producing flexible, flat substrates with porous adhesive coatings | Rolf Schulze, Axel von Wolff | 1997-03-25 |