Granted Patent
Utility
US 6,012,397 · App. 09/004,491
Railway car outlet gate assembly with inertial latch
Inventors:
Todd A. Krahl, Anthony L. Lucas, Allen Smith
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Jan 8, 1998
Inventors
Todd A. Krahl
Anthony L. Lucas
Allen Smith
Assignee (at issue)
Keystone Industries
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.