Granted Patent
Utility
US 4,745,644 · App. 07/033,993
Locking slat bed frame
Inventor:
Paul E. Pottschmidt
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Apr 1, 1987
Inventor
Paul E. Pottschmidt
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.