Granted Patent
Utility
US 5,266,326 · App. 07/906,953
In situ modification of alginate
Inventors:
James J. Barry, Paul Higham, Harold M. Aberman
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Jun 30, 1992
Inventors
James J. Barry
Paul Higham
Harold M. Aberman
Assignee (at issue)
Pfizer Hospital Products Group, 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.