Granted Patent
Utility
US 6,808,537 · App. 09/900,305
Expandable implant with interlocking walls
Inventor:
Gary K. Michelson
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Jul 6, 2001
Inventor
Gary K. Michelson
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.