Granted Patent
Utility
US 6,112,142 · App. 09/105,583
Positive signal comparator and method
Inventors:
James Francis Shockley, Mark Edward Kane
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Jun 26, 1998
Inventors
James Francis Shockley
Mark Edward Kane
Assignee (at issue)
Quantum Engineering, 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.