Granted Patent
Utility
US 6,052,147 · App. 08/739,179
Photic image processing device
Inventor:
Peen-Pau Cheng
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Oct 30, 1996
Inventor
Peen-Pau Cheng
Assignee (at issue)
Mustek Systems 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.