Granted Patent
Utility
US 4,595,241 · App. 06/600,353
Digging tooth and holder therefor
Inventors:
Jerry F. Gilbert, Jonathan Gilbert, Albert J. Gilbert
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Apr 16, 1984
Inventors
Jerry F. Gilbert
Jonathan Gilbert
Albert J. Gilbert
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.