Granted Patent
Utility
US 5,478,739 · App. 07/965,476
Three-dimensional stromal cell and tissue culture system
Inventors:
Sandra R. Slivka, Lee K. Landeen
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: Oct 23, 1992
Inventors
Sandra R. Slivka
Lee K. Landeen
Assignee (at issue)
Advanced Tissue Sciences, 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.