Granted Patent
Utility
US 5,146,631 · App. 07/754,569
Convertible crib, toddler and twin bed
Inventor:
Harry Deal
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Sep 4, 1991
Inventor
Harry Deal
Assignee (at issue)
SIMPLICITY, 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.