Granted Patent
Utility
US 5,984,680 · App. 08/952,711
Anti-rotational connecting mechanism
Inventor:
Dan P. Rogers
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Nov 19, 1997
Inventor
Dan P. Rogers
Assignee (at issue)
Implant Innovations, Inc.
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.