Granted Patent
Utility
US 6,168,749 · App. 09/077,779
Method of manufacturing containers
Inventor:
Michael Koch
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Jun 1, 1998
Inventor
Michael Koch
Assignee (at issue)
Krupp Corpoplast Maschinenbau GmbH
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.