Granted Patent
Utility
US 5,434,430 · App. 08/056,011
Drop size detect circuit
Inventor:
Lowell J. Stewart
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Apr 30, 1993
Inventor
Lowell J. Stewart
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.