Granted Patent
Utility
US 5,295,083 · App. 07/787,606
Device for dynamically measuring bubble content of flowing liquid
Inventors:
Hisashi Yano, Mitulu Fujioka, Koji Tsuchimoto, Junsuke Yabumoto
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Nov 4, 1991
Inventors
Hisashi Yano
Mitulu Fujioka
Koji Tsuchimoto
Junsuke Yabumoto
Assignee (at issue)
Mitsubishi Oil 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.