Granted Patent
Utility
US 5,202,682 · App. 07/780,409
Data encodement and reading method and apparatus
Inventor:
Eugene P. Finger
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Oct 18, 1991
Inventor
Eugene P. Finger
Assignee (at issue)
Curtis Instruments, 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.