Granted Patent
Utility
US 4,231,301 · App. 05/783,568
Adjustable shelf assembly
Inventor:
Wade Barrineau
Patented Case
View Patent ↗
Granted: Nov 4, 1980
Filed: Aug 29, 1977
Inventor
Wade Barrineau
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.