External personKatrin Welzel
Basic data
Firstname:
Katrin
Surname:
Welzel
Organizations
Berlin, Germany
Patents
21/07/2006
Kristina Laiple, Karl Tilmann Weber, Wolfgang Wohlleben
Stefan Pelzer, Andreas Vente, Katrin Welzel
22/09/2004
22/09/2004 (sold)
Eva Heinzelmann, Wolfgang Wohlleben
Claudia Müller, Dirk Schwartz, Andreas Vente, Katrin Welzel