Granted Patent
Utility
US 6,124,586 · App. 09/109,304
Method of aligning a light curtain
Inventor:
Beat De Coi
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Jun 30, 1998
Inventor
Beat De Coi
Assignee (at issue)
CEDES AG
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.