Granted Patent
Utility
US 6,421,854 · App. 09/507,500
Imaging stretcher
Inventor:
Richard H. Heimbrock
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Feb 18, 2000
Inventor
Richard H. Heimbrock
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.