Granted Patent
Utility
US 6,146,536 · App. 09/290,151
Method of preparing a batch of dialysis solution
Inventor:
Zbylut J. Twardowski
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Apr 12, 1999
Inventor
Zbylut J. Twardowski
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.