Granted Patent
Utility
US 4,996,154 · App. 07/347,448
Method for growing cellular tissue
Inventor:
Joseph Gabriels
Patented Case
View Patent ↗
Granted: Feb 26, 1991
Filed: May 4, 1989
Inventor
Joseph Gabriels
Assignee (at issue)
Millipore Corporation
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.