Granted Patent
Utility
US 6,830,607 · App. 10/172,228
Slurry tray and slurry tray assembly for use in fractionation towers
Inventors:
Jeffrey Allen, Timothy Baker
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jun 14, 2002
Inventors
Jeffrey Allen
Timothy Baker
Assignee (at issue)
Westlake Technology 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.