Granted Patent
Utility
US 6,063,461 · App. 09/063,981
Multi-density seating cushion
Inventors:
William Clark Hoyle, Jerry Lee Nealy
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Apr 21, 1998
Inventors
William Clark Hoyle
Jerry Lee Nealy
Assignee (at issue)
Cumulus Fibres, 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.