Granted Patent
Utility
US 5,665,247 · App. 08/714,760
Process for sealing microplates utilizing a thin polymeric film
Inventors:
Ronald J. Valus, Jonathan N. Lipsky
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Sep 16, 1996
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.