Granted Patent
Utility
US 5,877,828 · App. 08/870,041
Substrate for liquid crystal display element and method for manufacturing liquid crystal display element using the substrate
Inventors:
Takao Tanaka, Yoshifumi Masumoto, Hiroshi Watanabe
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Jun 5, 1997
Inventors
Takao Tanaka
Yoshifumi Masumoto
Hiroshi Watanabe
Assignee (at issue)
ALPS ELECTRIC 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.