Granted Patent
Utility
US 6,575,717 · App. 09/748,274
Magnetically levitated pump
Inventors:
Takayoshi Ozaki, Minoru Suzuki
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Dec 27, 2000
Inventors
Takayoshi Ozaki
Minoru Suzuki
Assignees (at issue)
NTN CORPORATION
TERUMO KABUSHIKI KAISHA
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.