Granted Patent
Utility
US 5,196,342 · App. 07/630,379
Bacillus thuringiensis P-2 toxin gene
Inventor:
William P. Donovan
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Dec 18, 1990
Inventor
William P. Donovan
Assignee (at issue)
PruTech R&D Partnership II
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.