Granted Patent
Utility
US 4,618,806 · App. 06/700,670
Ironless, brushless DC motor with wave-winding
Inventor:
Alan F. Grouse
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Feb 11, 1985
Inventor
Alan F. Grouse
Assignee (at issue)
Rotron, Inc.
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.