Granted Patent
Utility
US 4,334,596 · App. 06/210,621
Hydraulic fluid-operated railway track lubricating apparatus
Inventor:
Stephen M. Lounsberry, Jr., deceased
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Nov 26, 1980
Inventor
Stephen M. Lounsberry, Jr., deceased
Assignee (at issue)
Moore & Steele Corporation
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.