Granted Patent
Utility
US 5,384,245 · App. 07/878,347
Stable, single-liquid alpha-amylase reagent
Inventor:
Shing F. Kwan
Patented Case
View Patent ↗
Granted: Jan 24, 1995
Filed: May 4, 1992
Inventor
Shing F. Kwan
Assignee (at issue)
Ivan E. Modrovich
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.