Granted Patent
Utility
US 6,546,797 · App. 09/924,638
Absolute position measure with multi-beam optical encoding
Inventor:
Alan Alexander Burns
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Aug 8, 2001
Inventor
Alan Alexander Burns
Assignee (at issue)
MLHO, 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.