Granted Patent
Utility
US 5,328,447 · App. 08/029,632
Spine protector
Inventors:
Frank A. Kapounek, Christopher R. P. Withnall
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Mar 11, 1993
Inventors
Frank A. Kapounek
Christopher R. P. Withnall
Assignee (at issue)
Med-Eng Systems 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.