Granted Patent
Utility
US 5,581,028 · App. 08/265,084
Fluid property sensors incorporating plated metal rings for improved packaging
Inventors:
Phillip W. Barth, Michel Goedert, Erwin Littau
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Jun 23, 1994
Inventors
Phillip W. Barth
Michel Goedert
Erwin Littau
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.