Granted Patent
Utility
US 6,272,893 · App. 09/551,564
Apparatus and method for bending winding bars
Inventors:
Johann Kleinburger, Felix Hauri
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Apr 18, 2000
Inventors
Johann Kleinburger
Felix Hauri
Assignee (at issue)
ABB Alstom Power (Schweiz)
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.