Granted Patent
Utility
US 5,564,663 · App. 08/500,583
Transitional pivot joint for head support base unit
Inventors:
William James Cook, Charles E. Dinkler, II
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Jul 11, 1995
Inventors
William James Cook
Charles E. Dinkler, II
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.