Granted Patent
Utility
US 5,447,611 · App. 08/213,879
Vacuum injection capillary electrophoresis
Inventors:
Hermanus H. Lauer, Douglass McManigill
Patented Case
View Patent ↗
Granted: Sep 5, 1995
Filed: Mar 15, 1994
Inventors
Hermanus H. Lauer
Douglass McManigill
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.