Granted Patent
Utility
US 6,563,334 · App. 09/969,695
Insulating film method and apparatus therefor
Inventor:
Kiyohiro Tsuru
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Oct 3, 2001
Inventor
Kiyohiro Tsuru
Assignee (at issue)
SEIKO INSTRUMENTS INC.
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.