Granted Patent
Utility
US 6,793,139 · App. 10/391,345
Library article transport system with inclined conveyor
Inventor:
Mark R. Frich
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Mar 18, 2003
Inventor
Mark R. Frich
Assignee (at issue)
Tech Logic 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.