Granted Patent
Utility
US 5,808,285 · App. 08/292,237
Portable code symbol reading device with one-way wireless data packet transmission link to base unit employing condition-dependent acoustical signalling for data packet reception acknowledgement
Inventors:
George B. Rockstein, David M. Wilz, Sr., Stephen J. Colavito, Gene German, Carl Harry Knowles
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Aug 17, 1994
Inventors
George B. Rockstein
David M. Wilz, Sr.
Stephen J. Colavito
Gene German
Carl Harry Knowles
Assignee (at issue)
METROLOGIC 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.