Granted Patent
Utility
US 5,014,211 · App. 07/367,244
Microprocessor controlled liquid chemical delivery system and method
Inventors:
James Randall Turner, Stephen Hosking, James W. Livingston
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Jun 16, 1989
Inventors
James Randall Turner
Stephen Hosking
James W. Livingston
Assignee (at issue)
DIVERSEY, 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.