Granted Patent
Utility
US 4,273,506 · App. 05/948,790
Industrial manipulator for placing articles in close proximity to adjacent articles
Inventors:
Robert P. Thomson, James R. Robertson
Patented Case
View Patent ↗
Granted: Jun 16, 1981
Filed: Oct 5, 1978
Inventors
Robert P. Thomson
James R. Robertson
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.