Granted Patent
Utility
US 4,999,346 · App. 07/377,376
Novel composition and process for control of cockroach population
Inventor:
Robin Rudolph
Patented Case
View Patent ↗
Granted: Mar 12, 1991
Filed: Jul 3, 1989
Inventor
Robin Rudolph
Assignee (at issue)
Sandoz AG
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.