Granted Patent
Utility
US 5,865,447 · App. 08/819,387
Controlling structure of a stroller
Inventor:
Li-chu Chen Huang
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Mar 17, 1997
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.