Granted Patent
Utility
US 5,709,043 · App. 08/570,438
Excavating tooth
Inventors:
Larren F. Jones, Robert K. Emrich
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Dec 11, 1995
Inventors
Larren F. Jones
Robert K. Emrich
Assignee (at issue)
ESCO GROUP LLC
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.