Granted Patent
Utility
US 5,731,674 · App. 08/578,732
Motor with variable edge steepness
Inventor:
Frank Jeske
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Dec 26, 1995
Inventor
Frank Jeske
Assignee (at issue)
Papst Motoren GmbH & Co KG
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.