Granted Patent
Utility
US 5,668,450 · App. 08/423,255
Half-wave, brushless, four-phase DC motor with bifilar windings
Inventors:
David Allan Glasier, Joseph Frederick Rubin
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Apr 17, 1995
Inventors
David Allan Glasier
Joseph Frederick Rubin
Assignee (at issue)
LOCKHEED MARTIN CORPORATION
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.