Granted Patent
Utility
US 6,228,069 · App. 09/286,280
Needleless access device
Inventors:
Steve C. Barth, Ralph L. Davis
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Apr 5, 1999
Inventors
Steve C. Barth
Ralph L. Davis
Assignee (at issue)
Filtertek 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.