Granted Patent
Utility
US 6,554,846 · App. 09/967,444
Sonic burr
Inventors:
Eric B. Hamilton, Tim Johnson
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Sep 28, 2001
Inventors
Eric B. Hamilton
Tim Johnson
Assignee (at issue)
Scimed Life Systems, 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.