Granted Patent
Utility
US 4,840,362 · App. 07/152,225
Apparatus for positioning and supporting a patient for spinal surgery
Inventors:
Ross L. Bremer, Howard P. Hogshead
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Feb 4, 1988
Inventors
Ross L. Bremer
Howard P. Hogshead
Assignee (at issue)
Ross L. Bremer
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.