Granted Patent
Utility
US 6,467,532 · App. 09/719,769
Method and apparatus for counter-gravity casting of metal
Inventors:
Henrik Andersen, Kaj J. Jensen, Henning Lund Larsen
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Dec 18, 2000
Inventors
Henrik Andersen
Kaj J. Jensen
Henning Lund Larsen
Assignee (at issue)
Georg Fischer Disa A/S
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.