Granted Patent
Utility
US 5,222,808 · App. 07/867,155
Capillary mixing device
Inventors:
Jeffrey Sugarman, Ian Gibbons
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Apr 10, 1992
Inventors
Jeffrey Sugarman
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.