Granted Patent
Utility
US 4,483,876 · App. 06/491,183
Enzymatic method for production of instant tea
Inventor:
Bent Riber Petersen
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: May 3, 1983
Inventor
Bent Riber Petersen
Assignee (at issue)
Novo Industri A/S
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.