Granted Patent
Utility
US 5,512,475 · App. 08/418,230
Three-dimensional skin cell and tissue culture system
Inventors:
Gail K. Naughton, Brian A. Naughton
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Apr 6, 1995
Inventors
Gail K. Naughton
Brian A. Naughton
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.