Granted Patent
Utility
US 4,253,205 · App. 06/024,029
Sofa-sleeper
Inventor:
Aloysius J. Mikos
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Mar 26, 1979
Inventor
Aloysius J. Mikos
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.