Granted Patent
Utility
US 5,686,851 · App. 08/539,685
Variable delay circuit
Inventors:
Hiroyuki Yamada, Shouhei Seki
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Oct 5, 1995
Inventors
Hiroyuki Yamada
Shouhei Seki
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.