Granted Patent
Utility
US 6,416,172 · App. 09/756,705
Ink-jet head device with a multi-stacked PZT actuator
Inventors:
Hee-moon Jeong, Suk-han Lee, Yong-soo Oh
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Jan 10, 2001
Inventors
Hee-moon Jeong
Suk-han Lee
Yong-soo Oh
Assignee (at issue)
SAMSUNG DISPLAY 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.