Granted Patent
Utility
US 5,874,087 · App. 08/471,048
Modified plant viruses as vectors
Inventors:
George Peter Lomonossoff, John E. Johnson
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Jun 6, 1995
Inventors
George Peter Lomonossoff
John E. Johnson
Assignees (at issue)
Axis Genetics PLC
PURDUE RESEARCH FOUNDATION
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.