Granted Patent
Utility
US 5,626,883 · App. 08/228,587
Ascorbic acid compositions providing enhanced human immune system activity
Inventor:
Stephen M. Paul
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: Apr 15, 1994
Inventor
Stephen M. Paul
Assignee (at issue)
METAGENICS LLC
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.