Granted Patent
Utility
US 5,182,441 · App. 07/613,954
Instant portable bar code reader
Inventors:
George E. Chadima, Jr., Vadim Laser
Patented Case
View Patent ↗
Granted: Jan 26, 1993
Filed: Nov 13, 1990
Inventors
George E. Chadima, Jr.
Vadim Laser
Assignee (at issue)
Norand 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.