Granted Patent
Utility
US 6,446,283 · App. 09/482,367
Convertible stretcher
Inventors:
Richard H. Heimbrock, Donald E. Smith, Jonathan D. Turner
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jan 13, 2000
Inventors
Richard H. Heimbrock
Donald E. Smith
Jonathan D. Turner
Assignee (at issue)
HILL-ROM SERVICES, 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.