Granted Patent
Utility
US 6,639,431 · App. 10/112,370
Differential input comparator
Inventor:
Dale A. Potter
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Mar 29, 2002
Inventor
Dale A. Potter
Assignee (at issue)
Lattice Semiconductor 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.