Granted Patent
Utility
US 5,659,874 · App. 08/703,936
Device for conducting chemical operations
Inventors:
Sylvain Rault, Jean-Claude Derobert
Patented Case
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Granted: Aug 19, 1997
Filed: Aug 28, 1996
Inventors
Sylvain Rault
Jean-Claude Derobert
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.