Granted Patent
Utility
US 5,856,308 · App. 08/721,434
Artificial collagen
Inventors:
Serge St. Pierre, Teresa Brodniewicz
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Sep 27, 1996
Inventors
Serge St. Pierre
Teresa Brodniewicz
Assignee (at issue)
Haemacure Corporation
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.