Granted Patent
Utility
US 6,112,486 · App. 09/305,636
Continuity tie
Inventors:
Roger Wall Ashton, Robert Donald Lucey, John Duncan Pryor
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: May 5, 1999
Inventors
Roger Wall Ashton
Robert Donald Lucey
John Duncan Pryor
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.