Granted Patent
Utility
US 4,568,233 · App. 06/638,202
Storage and retrieval apparatus
Inventors:
Dale A. Baker, Keith O. Jurkowski
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Aug 6, 1984
Inventors
Dale A. Baker
Keith O. Jurkowski
Assignee (at issue)
Harnischfeger 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.