Granted Patent
Utility
US 6,815,321 · App. 10/377,732
Thin-film transistor and method of making same
Inventors:
Byung Chul Ahn, Hyun-Sik Seo
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Mar 4, 2003
Inventors
Byung Chul Ahn
Hyun-Sik Seo
Assignee (at issue)
LG Philips LCD 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.