Granted Patent
Utility
US 5,558,255 · App. 08/464,331
Liquid delivery device
Inventors:
Gregory E. Sancoff, Mark Doyle, Frederic P. Field
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jun 5, 1995
Inventors
Gregory E. Sancoff
Mark Doyle
Frederic P. Field
Assignee (at issue)
River Medical, 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.