Granted Patent
Utility
US 5,965,438 · App. 08/486,204
Cryopreservation of plant cells
Inventors:
Prakash G. Kadkade, Christopher B. Bare, Barbara Schnabel-Preikstas, Bin Yu
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Jun 7, 1995
Inventors
Prakash G. Kadkade
Christopher B. Bare
Barbara Schnabel-Preikstas
Bin Yu
Assignee (at issue)
Phyton Holdings, LLC
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.