Granted Patent
Utility
US 6,148,733 · App. 09/097,437
Type E railway coupler with expanded gathering range
Inventor:
Joseph L. Gagliardino
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Jun 15, 1998
Inventor
Joseph L. Gagliardino
Assignee (at issue)
McConway & Torley, 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.