Granted Patent
Utility
US 4,337,491 · App. 06/154,542
Brushless D.C. motor assembly
Inventors:
Alfred Hasler, Bernhard Schuh
Patented Case
View Patent ↗
Granted: Jun 29, 1982
Filed: May 29, 1980
Inventors
Alfred Hasler
Bernhard Schuh
Assignees (at issue)
International Memories, Inc.
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.