Granted Patent
Utility
US 4,995,091 · App. 07/426,231
Method of and apparatus for detecting objects in an assembly line
Inventor:
Yoshimi Shimbara
Patented Case
View Patent ↗
Granted: Feb 19, 1991
Filed: Oct 25, 1989
Inventor
Yoshimi Shimbara
Assignee (at issue)
Mazda Motor Manufacturing (USA) 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.