Granted Patent
Utility
US 5,301,005 · App. 08/015,816
Method and apparatus for determining the position of a retroreflective element
Inventors:
Leon B. C. deVos, James A. Schneider
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Feb 10, 1993
Inventors
Leon B. C. deVos
James A. Schneider
Assignee (at issue)
Spectra-Physics Laserplane, 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.