Granted Patent
Utility
US 4,949,427 · App. 07/293,953
Hinge with integral detent and stop
Inventor:
Russell D. Keller
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Jan 6, 1989
Inventor
Russell D. Keller
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.