Granted Patent
Utility
US 4,753,776 · App. 06/924,633
Blood separation device comprising a filter and a capillary flow pathway exiting the filter
Inventors:
Robert S. Hillman, Ian Gibbons
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Oct 29, 1986
Inventors
Robert S. Hillman
Ian Gibbons
Assignee (at issue)
Biotrack, LLC
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.