Granted Patent
Utility
US 5,791,735 · App. 08/680,814
Headrest assembly with user actuacted pivotal support assembly
Inventor:
Donald L. Helman
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Jul 16, 1996
Inventor
Donald L. Helman
Assignee (at issue)
Sunrise Medical HHG, 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.