Granted Patent
Utility
US 6,342,157 · App. 09/444,018
Device and method for concentrating plasma
Inventor:
Andrew Hood
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Nov 19, 1999
Inventor
Andrew Hood
Assignee (at issue)
Interpore Orthopaedics
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.