Granted Patent
Utility
US 6,012,672 · App. 09/054,228
Ergonomic endcap, collets, winders, systems and methods of winding forming packages using the same
Inventor:
Harry Makitka
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Apr 2, 1998
Inventor
Harry Makitka
Assignee (at issue)
PPG Industries Ohio, 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.