Granted Patent
Utility
US 6,344,894 · App. 09/677,840
Optical axis adjusting structure for a range finder
Inventor:
Charles Liou
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Oct 3, 2000
Inventor
Charles Liou
Assignee (at issue)
ASIA OPTICAL CO., 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.