Granted Patent
Utility
US 5,569,910 · App. 08/338,006
Photodetector system for detecting obstacles in aisles between mobile shelving carriages
Inventor:
Patrick J. Griesemer
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Nov 10, 1994
Inventor
Patrick J. Griesemer
Assignee (at issue)
SPACESAVER 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.