Granted Patent
Utility
US 5,704,249 · App. 08/572,667
Screw drive mechanism for articulated beds and the like
Inventor:
Bernard Krauska
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Dec 14, 1995
Inventor
Bernard Krauska
Assignee (at issue)
Joerns Healthcare Limited
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.