Granted Patent
Utility
US 6,770,480 · App. 09/743,447
Transferring materials into cells using porous silicon
Inventor:
Leigh Canham
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jan 10, 2001
Inventor
Leigh Canham
Assignee (at issue)
PSIMEDICA LIMITED
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.