Granted Patent
Utility
US 5,262,313 · App. 07/715,829
Carrageeman-immobilized esterase
Inventors:
Barbara S. Kitchell, Robert W. Henkens, Philip N. Brown, Steven W. Baldwin, Charles H. Lochmuller, John P. O'Daly
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Jun 14, 1991
Inventors
Barbara S. Kitchell
Robert W. Henkens
Philip N. Brown
Steven W. Baldwin
Charles H. Lochmuller
John P. O'Daly
Assignee (at issue)
ANDCARE, 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.