Granted Patent
Utility
US 5,380,657 · App. 08/033,320
Method for isolation of insertion elements from coryneform bacteria
Inventors:
Andreas Schaefer, Anna-Hildegard Seep-Feldhaus, Wolfgang Jaeger, Joern Kalinowski, Wolfgang Wohlleben, Alfred Puehler
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Mar 18, 1993
Inventors
Andreas Schaefer
Anna-Hildegard Seep-Feldhaus
Wolfgang Jaeger
Joern Kalinowski
Wolfgang Wohlleben
Alfred Puehler
Assignee (at issue)
Degussa 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.