BF

Bertram Freudenberg

FF Firma Carl Freudenberg: 1 patents #2 of 26Top 8%
Overall (1982): #74,530 of 81,411Top 95%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4321173 Method for the preparation of finely dispersed polyurethane ureas Gunter Schuhmacher, Horst Muhlfeld 1982-03-23