Granted Patent
Utility
US 6,729,052 · App. 09/986,705
Assembly for securing an excavating tooth
Inventors:
Charles G. Ollinger, IV, Noah D. Cowgill
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Nov 9, 2001
Inventors
Charles G. Ollinger, IV
Noah D. Cowgill
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.