Granted Patent
Utility
US 5,046,054 · App. 07/538,387
Apparatus for distributing lubricant to air guns in a single airline air gun subarray
Inventor:
Otis A. Johnston
Patented Case
View Patent ↗
Granted: Sep 3, 1991
Filed: Jun 14, 1990
Inventor
Otis A. Johnston
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.