Granted Patent
Utility
US 5,987,671 · App. 09/150,890
Stretcher center wheel mechanism
Inventors:
Richard H. Heimbrock, William K. Moore, Donald E. Smith, William M. Blyshak, Joanthan T. Turner
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Sep 10, 1998
Inventors
Richard H. Heimbrock
William K. Moore
Donald E. Smith
William M. Blyshak
Joanthan T. Turner
Assignee (at issue)
HILL-ROM, 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.