Granted Patent
Utility
US 4,867,780 · App. 07/214,348
2-(acylimino)thiazolidine herbicides
Inventor:
Frank X. Woolard
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Jul 1, 1988
Inventor
Frank X. Woolard
Assignee (at issue)
ICI Americas, Inc.
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.