Granted Patent
Utility
US 4,786,178 · App. 06/941,848
Apparatus and method for detecting the position and orientation of a reference beam of light
Inventor:
Ted L. Teach
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Dec 15, 1986
Inventor
Ted L. Teach
Assignee (at issue)
Spectra-Physics, 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.