Granted Patent
Utility
US 5,916,521 · App. 08/878,733
Lateral flow filter devices for separation of body fluids from particulate materials
Inventors:
Roger A. Bunce, Gary H. G. H. Thorpe, Jan Christina Hall, Philip Poissant
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Jun 19, 1997
Inventors
Roger A. Bunce
Gary H. G. H. Thorpe
Jan Christina Hall
Philip Poissant
Assignee (at issue)
Spectral Diagnostics, 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.