Granted Patent
Utility
US 5,634,496 · App. 08/593,635
Collapsible tube
Inventor:
John Grabner
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Jan 29, 1996
Inventor
John Grabner
Assignee (at issue)
Teledyne Industries, 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.