Granted Patent
Utility
US 6,537,574 · App. 08/159,071
Soft tissue augmentation material
Inventor:
William G. Hubbard
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Nov 29, 1993
Inventor
William G. Hubbard
Assignee (at issue)
Bioform, 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.