Granted Patent
Utility
US 5,116,443 · App. 07/491,687
Clarifier apparatus and methods with 3D arrays
Inventor:
Charles Lonnie Meurer
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Mar 9, 1990
Inventor
Charles Lonnie Meurer
Assignee (at issue)
Envirotech, Inc.
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.