Granted Patent
Utility
US 6,355,049 · App. 09/489,580
Head fixation apparatus
Inventor:
Steven Streatfield Gill
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Jan 21, 2000
Inventor
Steven Streatfield Gill
Assignee (at issue)
SHERWOOD SERVICES AG
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.