Granted Patent
Utility
US 5,326,445 · App. 07/346,428
Vacuum injection capillary electrophoresis
Inventors:
Hermanus H. Lauer, Douglass McManigill
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: May 1, 1989
Inventors
Hermanus H. Lauer
Douglass McManigill
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.