Granted Patent
Utility
US 6,570,426 · App. 10/079,158
Delay circuit
Inventor:
Takao Nakashimo
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Feb 20, 2002
Inventor
Takao Nakashimo
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.