Granted Patent
Utility
US 6,305,440 · App. 09/646,237
Dispenser with radio frequency on-board vapor recovery identification
Inventors:
Don Charles McCall, Ken Taylor
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Sep 11, 2000
Inventors
Don Charles McCall
Ken Taylor
Assignee (at issue)
Dresser, 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.