JAVA Programming...a programming language invented by James Gosling in 1994

Jetline

jolly jumper

kerosene...invented by Doctor Abraham Gesner in 1846

kayak

lacrosse

lightbulb...Henry Woodward invented the electric light bulb in 1874 and sold the patent to Thomas Edison

liposomes

laser (sailboat)

locomative braking system

lawn sprinkler...another invention made by the Real McCoy