Granted Patent
Utility
US 6,686,944 · App. 10/065,912
Method for recognizing a color of a printing ribbon and ribbon format thereof
Inventors:
Kuan-Chih Huang, Sheng-Chih Lin
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Nov 28, 2002
Inventors
Kuan-Chih Huang
Sheng-Chih Lin
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.