Granted Patent
Utility
US 5,456,740 · App. 08/263,636
High-efficiency metal membrane getter element and process for making
Inventors:
James T. Snow, Walter Plante, Robert S. Zeller
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Jun 22, 1994
Inventors
James T. Snow
Walter Plante
Robert S. Zeller
Assignee (at issue)
Millipore Corporation
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.