Granted Patent
Utility
US 5,279,395 · App. 07/980,122
Railway car brake system
Inventors:
William L. Willis, William T. Deet, John A. Krug
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: Nov 23, 1992
Inventors
William L. Willis
William T. Deet
John A. Krug
Assignee (at issue)
ACF Industries Incorporated
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.