Granted Patent
Utility
US 4,787,813 · App. 07/089,591
Industrial robot for use in clean room environment
Inventors:
Craig L. Stevens, Samuel Kurita
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Aug 26, 1987
Inventors
Craig L. Stevens
Samuel Kurita
Assignee (at issue)
Watkins-Johnson Company, 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.