1 Patents
#92 in Bremen
#15,083 in Germany
Heinrich Buhnen Kg
Forward Citations = 16
3 inventors:
3 inventors (with patents filed for the assignee):
Carl Siegmann (1 out of 4 patents)
Alfred Bottcher (1 out of 1 patent)
Wilhelm Bertram (1 out of 1 patent)
1 patent: