Granted Patent
Utility
US 6,325,274 · App. 09/832,911
Method of manufacture of a structural body
Inventors:
Masakuni Ezumi, Kazusige Fukuyori, Akihiro Satou
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Apr 12, 2001
Inventors
Masakuni Ezumi
Kazusige Fukuyori
Akihiro Satou
Assignee (at issue)
HITACHI, LTD.
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.