Granted Patent
Utility
US 5,327,596 · App. 08/099,061
Combination spring/foam cushioning
Inventors:
William R. Wallace, James N. Finley
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Jul 29, 1993
Inventors
William R. Wallace
James N. Finley
Assignee (at issue)
HICKORY SPRINGS MANUFACTURING COMPANY
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.