Granted Patent
Utility
US 5,938,413 · App. 08/872,842
Method and apparatus for protecting a pump mechanism from extraneous fluid
Inventors:
Hideo Makino, Kenji Katayama, Yoshitaka Takeda
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Jun 11, 1997
Inventors
Hideo Makino
Kenji Katayama
Yoshitaka Takeda
Assignee (at issue)
Alaris Medical Systems, Inc.
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.