Granted Patent
Utility
US 4,125,792 · App. 05/576,650
Brushless D-C motor
Inventor:
Fritz Schmider
Patented Case
View Patent ↗
Granted: Nov 14, 1978
Filed: May 12, 1975
Inventor
Fritz Schmider
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.