Granted Patent
Utility
US 6,632,304 · App. 09/897,964
Titanium alloy and production thereof
Inventors:
Hideto Oyama, Shinya Ishigai, Masamitsu Fujii, Tadasu Abumiya
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Jul 5, 2001
Inventors
Hideto Oyama
Shinya Ishigai
Masamitsu Fujii
Tadasu Abumiya
Assignee (at issue)
Kabushiki Kaisha Kobe Seiko Sho
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.