Granted Patent
Utility
US 5,737,951 · App. 08/745,953
Key turning device
Inventor:
Adam E. Krass
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Nov 8, 1996
Inventor
Adam E. Krass
Assignee (at issue)
Bel-Art Products
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.