Granted Patent
Utility
US 6,803,935 · App. 10/063,886
Method for generating a watermark on a photo picture using a thermal printer
Inventors:
Hsu-Chu Chien, Kuan-Chih Huang
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: May 21, 2002
Inventors
Hsu-Chu Chien
Kuan-Chih Huang
Assignee (at issue)
Hi-Touch Imaging Technologies Co., Ltd.
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.