Granted Patent
Utility
US 6,174,301 · App. 09/230,714
Dual use needle cap
Inventor:
Roland B. Wilson
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Jan 29, 1999
Inventor
Roland B. Wilson
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.