Granted Patent
Utility
US 6,091,592 · App. 09/160,395
Protective circuit and electric circuit using the protective circuit
Inventor:
Atsushi Sakurai
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Sep 25, 1998
Inventor
Atsushi Sakurai
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.