Granted Patent
Utility
US 6,264,276 · App. 09/620,794
Adjustable connecting device for interconnecting seat and backrest members of a chair
Inventor:
Su-Ming Chen
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Jul 21, 2000
Inventor
Su-Ming Chen
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.