Granted Patent
Utility
US 4,568,825 · App. 06/509,109
Robotic vehicle optical guidance system
Inventor:
Walter H. Wurster
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Jun 29, 1983
Inventor
Walter H. Wurster
Assignee (at issue)
Calspan Corporation
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.