Granted Patent
Utility
US 6,074,156 · App. 09/309,377
Library cart loading system and method
Inventor:
Mark R. Frich
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: May 10, 1999
Inventor
Mark R. Frich
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.