Granted Patent
Utility
US 6,504,021 · App. 09/898,473
Ion exchange method for DNA purification
Inventors:
Eva Kristyanne, Reyes Candau, John Seed
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Jul 5, 2001
Inventors
Eva Kristyanne
Reyes Candau
John Seed
Assignee (at issue)
Edge Biosystems
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.