Granted Patent
Utility
US 6,137,557 · App. 08/971,084
Liquid crystal display device
Inventors:
Hiroyuki Hebiguchi, Yasuhiko Kasama
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Nov 14, 1997
Inventors
Hiroyuki Hebiguchi
Yasuhiko Kasama
Assignee (at issue)
Frontec Incorporated
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.