Granted Patent
Utility
US 6,468,782 · App. 08/985,343
Methods of preserving prokaryotic cells and compositions obtained thereby
Inventors:
Alan Tunnacliffe, David T. Welsh, Bruce Roser, Kamaljit S. Dhaliwal, Camilo Colaco
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Dec 4, 1997
Inventors
Alan Tunnacliffe
David T. Welsh
Bruce Roser
Kamaljit S. Dhaliwal
Camilo Colaco
Assignee (at issue)
Quadrant Healthcare (UK) Limited
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.