Granted Patent
Utility
US 5,996,149 · App. 08/895,847
Trauma stretcher apparatus
Inventors:
Richard H. Heimbrock, Charles A. Howell
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Jul 17, 1997
Inventors
Richard H. Heimbrock
Charles A. Howell
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.