Granted Patent
Utility
US 4,946,112 · App. 07/326,296
Winding apparatus
Inventors:
Friedrich-Karl Nelle, Heinz Lehner, Klaus Nitzsche
Patented Case
View Patent ↗
Granted: Aug 7, 1990
Filed: Mar 21, 1989
Inventors
Friedrich-Karl Nelle
Heinz Lehner
Klaus Nitzsche
Assignee (at issue)
Nokia Graetz
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.