Granted Patent
Utility
US 5,482,311 · App. 08/300,407
Adjusting/positioning device for a backrest of a stroller
Inventor:
Li-chu Chen Huang
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Sep 2, 1994
Inventor
Li-chu Chen Huang
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.