Granted Patent
Utility
US 4,705,079 · App. 06/871,533
Bedding coil spring unit and assembly method
Inventor:
Larry Higgins
Patented Case
View Patent ↗
Granted: Nov 10, 1987
Filed: Jun 6, 1986
Inventor
Larry Higgins
Assignee (at issue)
LEGGETT & PLATT, 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.