Granted Patent
Utility
US 6,508,623 · App. 09/959,310
Gas turbine segmental ring
Inventors:
Shigehiro Shiozaki, Yasuoki Tomita
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Oct 22, 2001
Inventors
Shigehiro Shiozaki
Yasuoki Tomita
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.