Granted Patent
Utility
US 4,576,361 · App. 06/238,906
Claw hammer with protective cushion
Inventor:
Alan C. Knight
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Feb 27, 1981
Inventor
Alan C. Knight
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.