Granted Patent
Utility
US 5,820,140 · App. 08/719,714
Stroller
Inventor:
Li-chu Chen Huang
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Sep 27, 1996
Inventor
Li-chu Chen Huang
Assignee (at issue)
Link Treasure Limited
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.