Granted Patent
Utility
US 5,210,295 · App. 07/705,418
Preparation of malic acid
Inventors:
Skippy H. Ramsey, Robert G. Schultz
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: May 24, 1991
Inventors
Skippy H. Ramsey
Robert G. Schultz
Assignee (at issue)
Monsanto Company
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.