Granted Patent
Utility
US 6,394,644 · App. 09/596,499
Stacked static mixing elements
Inventor:
Felix Streiff
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Jun 19, 2000
Inventor
Felix Streiff
Assignee (at issue)
Koch-Glitsch, LP
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.