Granted Patent
Utility
US 5,770,158 · App. 08/661,310
Capillary syringe
Inventors:
Kathleen A. Eischen, James Kenney
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Jun 13, 1996
Inventors
Kathleen A. Eischen
James Kenney
Assignee (at issue)
Diametrics Medical Limited
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.