Granted Patent
Utility
US 6,250,125 · App. 09/526,480
Method for producing iron-base dispersion-strengthened alloy tube
Inventors:
Shigeharu Ukai, Shunji Mizuta, Tsunemitsu Yoshitake, Shigeki Hagi, Noriaki Hirohata, Katsuhiro Abe, Takanari Okuda
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Mar 15, 2000
Inventors
Shigeharu Ukai
Shunji Mizuta
Tsunemitsu Yoshitake
Shigeki Hagi
Noriaki Hirohata
Katsuhiro Abe
Takanari Okuda
Assignee (at issue)
Japan Nuclear Cycle Development Institute
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.