Granted Patent
Utility
US 4,629,324 · App. 06/566,687
Arrangement for measuring depth based on lens focusing
Inventor:
Howard Stern
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Dec 29, 1983
Inventor
Howard Stern
Assignee (at issue)
Robotic Vision Systems, 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.