Granted Patent
Utility
US 4,756,884 · App. 06/880,793
Capillary flow device
Inventors:
Robert S. Hillman, Michael E. Cobb, Jim Allen, Ian Gibbons, Vladimir E. Ostoich, Laura J. Winfrey
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Jul 1, 1986
Inventors
Robert S. Hillman
Michael E. Cobb
Jim Allen
Ian Gibbons
Vladimir E. Ostoich
Laura J. Winfrey
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.