Granted Patent
Utility
US 4,829,199 · App. 07/072,831
Driver circuit providing load and time adaptive current
Inventor:
James S. Prater
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Jul 13, 1987
Inventor
James S. Prater
Assignee (at issue)
NCR 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.