Granted Patent
Utility
US 4,710,161 · App. 06/853,921
Continuous type centrifugal separator
Inventors:
Kuniaki Takabayashi, Yoshitsugu Takaoka, Kouichi Hori, Masaki Shimotakahara, Kikujiro Okada, Satoru Shiino
Patented Case
View Patent ↗
Granted: Dec 1, 1987
Filed: Apr 21, 1986
Inventors
Kuniaki Takabayashi
Yoshitsugu Takaoka
Kouichi Hori
Masaki Shimotakahara
Kikujiro Okada
Satoru Shiino
Assignee (at issue)
Green Cross Corporation
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.