Granted Patent
Utility
US 4,773,807 · App. 06/858,061
High-speed automatic storage and retrieval system and apparatus therefor
Inventors:
Charles R. Kroll, John Briggs, Keith O. Jurkowski, Eric C. Blom
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Apr 30, 1986
Inventors
Charles R. Kroll
John Briggs
Keith O. Jurkowski
Eric C. Blom
Assignee (at issue)
Harnischfeger Engineers, 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.