Granted Patent
Utility
US 4,525,182 · App. 06/527,546
I.V. Filter apparatus
Inventors:
Donald B. Rising, Richard G. Naegeli, Jr.
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Aug 29, 1983
Inventors
Donald B. Rising
Richard G. Naegeli, Jr.
Assignee (at issue)
Millipore 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.