Getting a patent is a great idea to protect your idea. You can apply for a patent online www.InventionHome.com.
The very first practical automobile was the 1885-86 Benz Patent Motor Car built in Germany.
5W-30 , according to the Owner Guide
One type of patent is the design patent, which protects "ornamental characteristics." If the design is sufficiently innovative, it may receive a design patent.
According to the 2007 Ford Expedition Owner Guide ( 5W-20 )
The 2004 Ford Expedition Owner Guide shows ( 5W-20 )
The ( 1997 ) Ford Expedition Owner Guide shows ( 5W-30 )
According to the 1999 Mercury Sable Owner Guide : ( 5W-30 )
Ford Motor CompanyCheck related link belowOn the Owner guide type in your vehicles information.Then find the Owner Guide 1st PrintingThen look on the Index page for / or underFuses
YES YOU CAN ONLY IF IT HAS THE PREVIOUS INDICATION OF THE PROPERTY ,THEN YOU WILL HAVE TO LEAVE SOME TYPE OF PATENT OF YOUR OWN.
Ford Motor CompanyCheck related link belowOn the Owner guide type in your vehicles information.Then find the Owner Guide 1st PrintingThen look on the Index page for / or underFuses
Ford Motor CompanyCheck related link belowOn the Owner guide type in your vehicles information.Then find the Owner Guide 1st PrintingThen look on the Index page for / or underFuses
The 2001 Lincoln Town Car Owner Guide shows ( 5W-20 )