Granted Patent
Utility
US 6,431,492 · App. 09/428,017
Integrated adjustable core support and medium guide device
Inventor:
Steve Chillscyzn
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Oct 27, 1999
Inventor
Steve Chillscyzn
Assignee (at issue)
ZIH Corp.
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.