Granted Patent
Utility
US 5,955,438 · App. 08/504,364
Collagen-based matrix
Inventors:
Sandu Pitaru, Matityahu Noff
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Jul 19, 1995
Inventors
Sandu Pitaru
Matityahu Noff
Assignee (at issue)
Colbar R&D Ltd.
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.