Granted Patent
Utility
US 5,939,909 · App. 09/052,187
Driver circuit having preslewing circuitry for improved slew rate control
Inventor:
Michael Callahan
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Mar 31, 1998
Inventor
Michael Callahan
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.