Granted Patent
Utility
US 4,528,265 · App. 06/377,038
Processes and products involving cell modification
Inventor:
Robert O. Becker
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: May 11, 1982
Inventor
Robert O. Becker
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.