Granted Patent
Utility
US 5,866,998 · App. 08/957,088
Circuit for improving back emf detection in pulse width modulation mode
Inventor:
Paolo Menegoli
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Oct 24, 1997
Inventor
Paolo Menegoli
Assignee (at issue)
STMICROELECTRONICS, 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.