Granted Patent
Utility
US 6,820,928 · App. 10/446,315
Low-profile seat with relocatable backrest
Inventor:
Robert M. Ransom
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: May 29, 2003
Inventor
Robert M. Ransom
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.