Granted Patent
Utility
US 6,726,044 · App. 10/183,183
Container having expandable neck
Inventors:
Donald Deubel, Aron F. Wark
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jun 25, 2002
Inventors
Donald Deubel
Aron F. Wark
Assignee (at issue)
Crown Cork & Seal Technologies 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.