Granted Patent
Utility
US 5,857,488 · App. 08/883,449
Multi-mode selector valve assembly for marine steering system
Inventor:
Jacob Kobelt
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Jun 26, 1997
Inventor
Jacob Kobelt
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.