Granted Patent
Utility
US 6,537,795 · App. 09/496,149
Method and means for the production of hyaluronic acid
Inventor:
Sten Ståhl
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Feb 1, 2000
Inventor
Sten Ståhl
Assignee (at issue)
Pharmacia AB
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.