Granted Patent
Utility
US 6,086,308 · App. 08/910,643
Cart handling system
Inventors:
Christer A. Sjogren, Jeffrey A. Bond
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Aug 13, 1997
Inventors
Christer A. Sjogren
Jeffrey A. Bond
Assignee (at issue)
Quipp Systems, 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.