25 Utility Patents
#7 in Duisburg
#5,868 in Germany
#121,804 in the World
Forward Citations = 106
Company Filing History:

Gustav Wiegard Maschinenfabrik
Lechler Gmbh & Co. Kg
4. 1 out of 37
Aeg-elotherm G.m.b.h.
where one patent can have more than one assignee
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