Granted Patent
Utility
US 6,776,021 · App. 10/368,590
Hydraulic drive for use in can manufacture
Inventor:
Ian Kenneth Scholey
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Feb 20, 2003
Inventor
Ian Kenneth Scholey
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.