Granted Patent
Utility
US 5,910,422 · App. 07/700,996
Stable single liquid alpha-amylase reagent
Inventors:
Ivan E. Modrovich, Shing S. Kwan, Leon Wortham
Patented Case
View Patent ↗
Granted: Jun 8, 1999
Filed: May 10, 1991
Inventors
Ivan E. Modrovich
Shing S. Kwan
Leon Wortham
Assignee (at issue)
Medical Analysis Systems, Inc.
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.