Granted Patent
Utility
US 5,689,539 · App. 08/688,804
Time interval measurement system and a method applied therein
Inventor:
Hirokuni Murakami
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Jul 31, 1996
Inventor
Hirokuni Murakami
Assignee (at issue)
NEC 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.