Granted Patent
Utility
US 6,820,680 · App. 10/088,153
Strip casting
Inventors:
Hisahiko Fukase, Shiro Osada
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Mar 13, 2002
Inventors
Hisahiko Fukase
Shiro Osada
Assignee (at issue)
Castrip, LLC
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.