Granted Patent
Utility
US 6,439,418 · App. 09/812,626
Attaching system for a container and a base
Inventors:
Robert A. Immerman, Philip C. Dretzka
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Mar 20, 2001
Inventors
Robert A. Immerman
Philip C. Dretzka
Assignee (at issue)
InterDesign, 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.