Granted Patent
Utility
US 5,199,809 · App. 07/876,648
Suspending clip for hanging binder
Inventor:
Joseph K. Semerjian
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Apr 30, 1992
Inventor
Joseph K. Semerjian
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.