Granted Patent
Utility
US 5,197,513 · App. 07/862,959
Stratified chamber system for receiving, storing and dispensing two different density liquids
Inventors:
Lorin R. Todd, Siavash Noorafshani
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Apr 3, 1992
Inventors
Lorin R. Todd
Siavash Noorafshani
Assignee (at issue)
San Luis Tank Piping Construction Co., 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.