Granted Patent
Utility
US 5,507,204 · App. 08/381,707
Crank Handle
Inventor:
Niels Diffrient
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Jan 31, 1995
Inventor
Niels Diffrient
Assignee (at issue)
Howe Furniture Corporation
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.