Granted Patent
Utility
US 4,753,799 · App. 07/096,897
Production of hydrogel encapsulated nematodes
Inventors:
Charles E. Nelsen, Catharine Mannion
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Sep 14, 1987
Inventors
Charles E. Nelsen
Catharine Mannion
Assignee (at issue)
Plant Genetics
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.