Granted Patent
Utility
US 4,310,628 · App. 06/130,276
Fructose production
Inventor:
Roger S. Leiser
Patented Case
View Patent ↗
Granted: Jan 12, 1982
Filed: Mar 14, 1980
Inventor
Roger S. Leiser
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.