Granted Patent
Utility
US 4,285,080 · App. 06/095,459
Spring deck for seating structures
Inventors:
John P. Kitchen, Neville L. Riddle
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Nov 19, 1979
Inventors
John P. Kitchen
Neville L. Riddle
Assignee (at issue)
Hoover Universal, 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.