Granted Patent
Utility
US 6,325,965 · App. 09/431,055
Forming method and forming apparatus
Inventors:
Ken Makita, Masao Noumi, Osamu Yamashita
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Nov 1, 1999
Inventors
Ken Makita
Masao Noumi
Osamu Yamashita
Assignee (at issue)
Sumitomo Special Metals Co., 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.