Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027885 | Complex prices in bidding | Stefan Kiefer, Andreas Koenig, Michael Buehler | 2011-09-27 |
| 7853482 | Complex prices in bidding | Stefan Kiefer, Andreas Koenig, Michael Buehler | 2010-12-14 |
| 7640191 | Clustered bidding and auctions in a procurement system | Ruediger Mueller, Alexander Zaichenko, Heiko Steffen | 2009-12-29 |