Granted Patent
Utility
US 6,356,140 · App. 09/116,309
Active pullup circuitry for open-drain signals
Inventor:
David Bell
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Jul 15, 1998
Inventor
David Bell
Assignee (at issue)
Linear Technology Holding LLC
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.