Granted Patent
Utility
US 6,050,693 · App. 08/814,669
Collimator for laser projector
Inventors:
Kurt D. Rueb, John P. Wieczorek
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Mar 11, 1997
Inventors
Kurt D. Rueb
John P. Wieczorek
Assignee (at issue)
Virtek Vision 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.