Granted Patent
Utility
US 6,694,045 · App. 10/127,793
Generation and verification of a digitized signature
Inventors:
Kevin Kwong-Tai Chung, Xiaoming Shi
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Apr 22, 2002
Inventors
Kevin Kwong-Tai Chung
Xiaoming Shi
Assignee (at issue)
Amerasia International Technology, 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.