Granted Patent
Utility
US 6,155,488 · App. 08/697,408
Optical reader with adaptive exposure control
Inventors:
Bryan L. Olmstead, James E. Colley
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Aug 23, 1996
Inventors
Bryan L. Olmstead
James E. Colley
Assignee (at issue)
PSC, 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.