Granted Patent
Utility
US 5,858,819 · App. 08/591,681
Fabrication method for a thin film semiconductor device, the thin film semiconductor device itself, liquid crystal display, and electronic device
Inventor:
Mitsutoshi Miyasaka
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Feb 15, 1996
Inventor
Mitsutoshi Miyasaka
Assignee (at issue)
SEIKO EPSON CORPORATION
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.