Granted Patent
Utility
US 5,867,587 · App. 08/858,771
Impaired operator detection and warning system employing eyeblink analysis
Inventors:
Omar Aboutalib, Richard R. Ramroth
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: May 19, 1997
Inventors
Omar Aboutalib
Richard R. Ramroth
Assignee (at issue)
NORTHROP GRUMMAN 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.