Granted Patent
Utility
US 6,828,016 · App. 10/742,898
Preform for composite material and composite material
Inventors:
Kazutami Mitani, Kazuya Goto
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Dec 23, 2003
Inventors
Kazutami Mitani
Kazuya Goto
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.