Granted Patent
Utility
US 4,554,692 · App. 06/681,500
Adjustable box spring retainer bracket
Inventor:
Larry W. Whitehead
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Dec 13, 1984
Inventor
Larry W. Whitehead
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.