Granted Patent
Utility
US 6,280,420 · App. 09/433,449
Reaccessible medical needle safety devices and methods
Inventors:
F. Mark Ferguson, Mark Nelson, David L. Thorne, Gale H. Thorne
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Nov 4, 1999
Inventors
F. Mark Ferguson
Mark Nelson
David L. Thorne
Gale H. Thorne
Assignee (at issue)
Specialized Health Products, 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.