Granted Patent
Utility
US 6,675,111 · App. 10/081,240
Method and apparatus for measuring flow velocity and method and apparatus for measuring flow rate
Inventors:
Eisaku Komatsu, Keiichi Matsushima
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Feb 25, 2002
Inventors
Eisaku Komatsu
Keiichi Matsushima
Assignee (at issue)
Surpass Industry Co., Ltd.
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.