Granted Patent
Utility
US 5,881,880 · App. 08/957,074
Nestable lid
Inventors:
Michel Jacques, Roch Nolet
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Oct 23, 1997
Inventors
Michel Jacques
Roch Nolet
Assignee (at issue)
IPL 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.