Granted Patent
Utility
US 6,540,091 · App. 09/808,682
Support unit for stacked items
Inventors:
Peter Craig Mathieson, Chris Gorman
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Mar 15, 2001
Inventors
Peter Craig Mathieson
Chris Gorman
Assignee (at issue)
MITEL KNOWLEDGE 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.