Granted Patent
Utility
US 5,545,868 · App. 08/244,127
Superhigh purity fluid supply pipe system and method of installing the same
Inventors:
Tadahiro Ohmi, Masakazu Nakamura
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: May 19, 1994
Inventors
Tadahiro Ohmi
Masakazu Nakamura
Assignee (at issue)
Tadahiro Ohmi
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.