Granted Patent
Utility
US 6,648,978 · App. 09/977,779
Membrane filtration for thickening and starch washing in corn wet milling
Inventors:
Gin C. Liaw, Munir Cheryan, Roy O. Elmore
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Oct 15, 2001
Inventors
Gin C. Liaw
Munir Cheryan
Roy O. Elmore
Assignee (at issue)
A.E. Staley Manufacturing Company
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.