Granted Patent
Utility
US 4,713,449 · App. 06/762,878
Polysaccharide polymer made by xanthomonas
Inventor:
Rebecca W. Vanderslice
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: Aug 6, 1985
Inventor
Rebecca W. Vanderslice
Assignee (at issue)
Getty Scientific Development 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.