Granted Patent
Utility
US 5,260,897 · App. 07/783,907
Signal processing circuit
Inventors:
Yoshitaka Toriumi, Akio Yoshida
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Oct 29, 1991
Inventors
Yoshitaka Toriumi
Akio Yoshida
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.