8 Utility Patents
#9 in Kreuzlingen
#4,529 in Switzerland
#521,303 in the World
Forward Citations = 37
Company Filing History:
Schwihag Gmbh
Other
Schwihag Gesellschaft Fur Eisenbahnoberbau Mbh
4. 1 out of 1
Schwihag Gesellschaft Fur Eisenbauh-oberbau Mbh
5. 1 out of 1
Karl Richtberg Gmbh & Co. Kg
where one patent can have more than one assignee
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