Granted Patent
Utility
US 4,647,539 · App. 06/737,515
Method and apparatus for growing cells in vitro
Inventor:
Bert Bach
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: May 24, 1985
Inventor
Bert Bach
Assignee (at issue)
Endotronics, 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.