Granted Patent
Utility
US 5,686,657 · App. 08/678,844
Planar manifold assembly
Inventors:
Stephen R. Craig, Paul B. Welsh, Robert C. Henderson
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Jul 12, 1996
Inventors
Stephen R. Craig
Paul B. Welsh
Robert C. Henderson
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.