Granted Patent
Utility
US 5,853,586 · App. 08/854,668
Thin pliable polymeric film for sealing microplates
Inventors:
Ronald J. Valus, Jonathan N. Lipsky
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: May 12, 1997
Inventors
Ronald J. Valus
Jonathan N. Lipsky
Assignee (at issue)
Whatman GmbH
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.