Granted Patent
Utility
US 5,277,113 · App. 07/900,804
Optical detection device
Inventors:
Edward J. Stearns, Robert H. Johnson
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Jan 25, 1991
Inventors
Edward J. Stearns
Robert H. Johnson
Assignee (at issue)
Motorola, 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.