Granted Patent
Utility
US 4,476,857 · App. 06/458,035
Arm support
Inventor:
Norman D. Levine
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Jan 14, 1983
Inventor
Norman D. Levine
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.