Granted Patent
Utility
US 6,402,030 · App. 09/694,695
Method and system for processing car wash vouchers
Inventors:
Steven E. Summers, Rondall P. James, Jr.
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Oct 23, 2000
Inventors
Steven E. Summers
Rondall P. James, Jr.
Assignee (at issue)
DRB Systems, 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.