Granted Patent
Utility
US 5,105,488 · App. 07/510,692
Bedding configuration having variable support characteristics
Inventors:
Ronald G. Hutchinson, Milton C. A. Callaway
Patented Case
View Patent ↗
Granted: Apr 21, 1992
Filed: Apr 18, 1990
Inventors
Ronald G. Hutchinson
Milton C. A. Callaway
Assignee (at issue)
Simmons Holding Company, LLC.
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.