Granted Patent
Utility
US 6,209,993 · App. 09/282,023
Structure and fabricating method for ink-jet printhead chip
Inventors:
Chieh-Wen Wang, Yi-Yung Wu, Hung-Lieh Hu, Ming-Ling Lee
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Mar 29, 1999
Inventors
Chieh-Wen Wang
Yi-Yung Wu
Hung-Lieh Hu
Ming-Ling Lee
Assignee (at issue)
Industrial Technology Research Institute
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.