Granted Patent
Utility
US 6,001,348 · App. 08/985,669
Non-virulent Mycoplasma synoviae and vaccine thereof
Inventor:
Maarten Hendrik Witvliet
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Dec 5, 1997
Inventor
Maarten Hendrik Witvliet
Assignee (at issue)
AKZO NOBEL N.V.
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.