Granted Patent
Utility
US 5,199,840 · App. 07/561,112
Automated storage and retrieval system
Inventors:
John Castaldi, Fred Greenzang
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Aug 1, 1990
Inventors
John Castaldi
Fred Greenzang
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.