Granted Patent
Utility
US 4,666,045 · App. 06/637,741
Pit detecting
Inventors:
Robert M. Gillespie, John R. Ricks
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Aug 6, 1984
Inventors
Robert M. Gillespie
John R. Ricks
Assignee (at issue)
Dunkley International, Inc.
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.