Granted Patent
Utility
US 6,733,087 · App. 10/216,266
Pick for disintegrating natural and man-made materials
Inventors:
David R. Hall, Joe Fox
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Aug 10, 2002
Inventors
David R. Hall
Joe Fox
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.