Granted Patent
Utility
US 5,725,257 · App. 08/645,562
Pipe joint
Inventors:
Hideto Sakane, Hisayuki Yagi, Nobuyuki Okuda, Koichi Inoue
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: May 14, 1996
Inventors
Hideto Sakane
Hisayuki Yagi
Nobuyuki Okuda
Koichi Inoue
Assignees (at issue)
HONDA MOTOR CO., LTD.
Showa Aluminum Corp.
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.