Granted Patent
Utility
US 4,902,886 · App. 07/299,382
Noise reduction for photodiode arrays
Inventor:
J. Daniel Smisko
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Jan 23, 1989
Inventor
J. Daniel Smisko
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.