Granted Patent
Utility
US 6,756,566 · App. 10/154,457
Convection heating system for vacuum furnaces
Inventor:
Craig A. Moller
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: May 23, 2002
Inventor
Craig A. Moller
Assignee (at issue)
Ipsen International, 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.