Granted Patent
Utility
US 5,975,101 · App. 09/004,829
Collapsible sunshields, partitions and shade structures having overlapping support loops
Inventor:
Yu Zheng
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jan 9, 1998
Inventor
Yu Zheng
Assignee (at issue)
Patent Category Corp.
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.