Granted Patent
Utility
US 5,642,829 · App. 08/650,913
Containers
Inventor:
Stewart Hardison
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: May 17, 1996
Inventor
Stewart Hardison
Assignee (at issue)
Perky-P Co., a Colorado partnership
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.