Granted Patent
Utility
US 6,536,263 · App. 09/603,434
Gauges for testing sand in or for golf course sand bunkers
Inventors:
Donald C. Wood, Todd D. Harman
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Jun 23, 2000
Inventors
Donald C. Wood
Todd D. Harman
Assignee (at issue)
Roger Cleveland Golf Company, 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.