Granted Patent
Utility
US 5,138,822 · App. 07/737,285
Method of packing empty collapsible tubes
Inventor:
Gordon O. Velge
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Jul 29, 1991
Inventor
Gordon O. Velge
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.