11 Patents
#16 in Rotterdam
#563 in Netherlands
#50,190 in the World
Maatschappij Van Berkel's Patent N.v.
Forward Citations = 168
9 inventors:
9 inventors (with patents filed for the assignee):
Mathijs M Engels (3 out of 3 patents)
Hardev S Somal (2 out of 5 patents)
Albert E Brendel (1 out of 8 patents)
4. Lawrence R Loskill (1 out of 3 patents)
5. Aloysius Johannes Van Riet (1 out of 1 patent)
6. Albert H Devoogd (1 out of 1 patent)
7. Albert H De Voogd (1 out of 1 patent)
8. Johannes M Oostvogels (1 out of 1 patent)
9. Rudolf C Von Geldern (1 out of 1 patent)
11 patents:
#16 in Rotterdam
#563 in Netherlands
#50,190 in the World
9 inventors: