Granted Patent
Utility
US 4,570,988 · App. 06/667,408
Reinforced tool handle and method of manufacturing same
Inventor:
Joseph A. Carmien
Patented Case
View Patent ↗
Granted: Feb 18, 1986
Filed: Nov 5, 1984
Inventor
Joseph A. Carmien
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.