Granted Patent
Utility
US 5,779,321 · App. 08/747,446
Swing tail assembly for miner
Inventors:
George E. Coleman, Michael R. Walker
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Nov 12, 1996
Inventors
George E. Coleman
Michael R. Walker
Assignee (at issue)
Arch Technology Holding 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.