Granted Patent
Utility
US 5,446,804 · App. 08/227,764
Magnifying digital image using edge mapping
Inventors:
Jan P. Allebach, Ping Wah Wong
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Apr 14, 1994
Inventors
Jan P. Allebach
Ping Wah Wong
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.