Granted Patent
Utility
US 4,819,986 · App. 07/217,823
Reclining chair with suspended seating
Inventor:
Isidoro N. Markus
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Jul 12, 1988
Inventor
Isidoro N. Markus
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.