Granted Patent
Utility
US 5,646,263 · App. 08/308,819
High efficiency method for isolating target substances using a multisample separation device
Inventors:
Steven J. Ekenberg, Paula R. Brisco, Anne Louise Oaklander
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Sep 19, 1994
Inventors
Steven J. Ekenberg
Paula R. Brisco
Anne Louise Oaklander
Assignees (at issue)
Promega Corporation
The Johns Hopkins University
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.