Granted Patent
Utility
US 6,420,440 · App. 09/556,299
Method for recycling alignment layer materials
Inventors:
Bong-Woo Lee, Soo Won Lee, Sho-Hak Nam, Jin-Ho Ju, Soo Im Jeong, Hong-Sick Park, Sung-Chul Kang
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Apr 24, 2000
Inventors
Bong-Woo Lee
Soo Won Lee
Sho-Hak Nam
Jin-Ho Ju
Soo Im Jeong
Hong-Sick Park
Sung-Chul Kang
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.