Granted Patent
Utility
US 6,555,984 · App. 09/743,807
Arrangement and method for an electric machine
Inventors:
Erkki Rajala, Erkki Leskelä, Arto Olavi Makkonen, Jouni Ikäheimo
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Feb 23, 2001
Inventors
Erkki Rajala
Erkki Leskelä
Arto Olavi Makkonen
Jouni Ikäheimo
Assignee (at issue)
ABB Oy
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.