Granted Patent
Utility
US 6,724,873 · App. 09/845,670
Automated system for controlling the parameters involved in the preparation of an immersion bath
Inventor:
Leonardo Senna Da Silva
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Apr 30, 2001
Inventor
Leonardo Senna Da Silva
Assignee (at issue)
I House Incorporadora Ltda.
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.