Granted Patent
Utility
US 6,740,057 · App. 09/905,060
External device diminishing odds of patient disengaging hip replacement
Inventor:
Ronald P. Grelsamer
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Jul 13, 2001
Inventor
Ronald P. Grelsamer
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.