Granted Patent
Utility
US 4,346,587 · App. 06/202,352
Process and apparatus for testing fluids for fouling and antifoulant protocol
Inventor:
Nicholas J. Brindak
Patented Case
View Patent ↗
Granted: Aug 31, 1982
Filed: Oct 30, 1980
Inventor
Nicholas J. Brindak
Assignee (at issue)
Drew Chemical Corporation
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.