Granted Patent
Utility
US 5,204,566 · App. 07/798,227
Electrical machine
Inventors:
Sverre M. Borgen, Poul Petersen, Heinz Otto Lassen
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Nov 25, 1991
Inventors
Sverre M. Borgen
Poul Petersen
Heinz Otto Lassen
Assignee (at issue)
DANFOSS A/S
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.