Granted Patent
Utility
US 4,626,504 · App. 06/510,370
DNA transfer vector for gram-negative bacteria
Inventors:
Alfred Puhler, Reinhard Simon
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Jul 1, 1983
Inventors
Alfred Puhler
Reinhard Simon
Assignee (at issue)
Lubrizol Genetics, 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.