IP Library › Granted Patent US 6,209,789
Granted Patent Utility
US 6,209,789 · App. 09/436,742

Optical filtering system for a laser bar code scanner having narrow band-pass characteristics employing spatially separated filtering elements including a scanner window

Inventors: Thomas Amundsen, Robert Blake, George B. Rockstein, David M. Wilz, Sr., Carl Harry Knowles
Patented Case View Patent ↗
Granted: Apr 3, 2001 Filed: Nov 9, 1999
Inventors
Thomas Amundsen
Robert Blake
George B. Rockstein
David M. Wilz, Sr.
Carl Harry Knowles
Assignee (at issue)
METROLOGIC INSTRUMENTS, INC.

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Quick Facts
Patent No.
US 6,209,789
App. No.
09/436,742
Filed
1999-11-09
Granted
2001-04-03
Kind
A