Granted Patent
Utility
US 4,812,945 · App. 07/045,644
Method and apparatus for providing autoranging for an AC/DC power management circuit for DC solenoid actuators
Inventor:
Anthony Mario D'Onofrio
Patented Case
View Patent ↗
Granted: Mar 14, 1989
Filed: May 4, 1987
Inventor
Anthony Mario D'Onofrio
Assignee (at issue)
Honeywell Limited
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.