Granted Patent
Utility
US 5,480,644 · App. 07/843,124
Use of injectable biomaterials for the repair and augmentation of the anal sphincters
Inventor:
Jeffrey S. Freed
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Feb 28, 1992
Inventor
Jeffrey S. Freed
Assignee (at issue)
JSF Consulants 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.