Granted Patent
Utility
US 6,551,287 · App. 09/777,672
Needle protection apparatus used with a vial
Inventors:
William H. Hollister, Roddi Simpson
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Feb 7, 2001
Inventors
William H. Hollister
Roddi Simpson
Assignee (at issue)
Portex, 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.