Granted Patent
Utility
US 6,649,339 · App. 09/642,633
Method for producing a quality assured biological sample and composition containing the same
Inventors:
Gerold Zerlauth, Matthias Gessner, Karl Koettnitz, Patricia Jane Gross
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Aug 18, 2000
Inventors
Gerold Zerlauth
Matthias Gessner
Karl Koettnitz
Patricia Jane Gross
Assignee (at issue)
Baxter Aktiengesellschaft
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.