Granted Patent
Utility
US 5,276,927 · App. 07/948,135
Radiolucent head support
Inventor:
James L. Day
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Sep 21, 1992
Inventor
James L. Day
Assignee (at issue)
Ohio Medical Instrument Company, 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.