Granted Patent
Utility
US 5,925,515 · App. 07/861,800
Direct selection of transformants on acetate-containing media
Inventors:
Willem Van Hartingsveldt, Robert Franciscus Maria Van Gorcom, R. J. Gouka, Roelof Ary Lans Bovenberg
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Jun 11, 1992
Inventors
Willem Van Hartingsveldt
Robert Franciscus Maria Van Gorcom
R. J. Gouka
Roelof Ary Lans Bovenberg
Assignee (at issue)
Gist-Brocades B.V.
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.