Department of the Interior - Americana

United States Patent Office for the invention of the Roberts Torpedo. "A Most Significant Estate Find". The Roberts Petroleum Torpedo Company in 1865 changed the petroleum industry forever! With the invention of the Roberts Torpedo, oil well production increased by over 3,000 barrels per day thus adding millions of dollars to the wealth of the oilmen. 4 page license with red seal and blue ribbon!

Colonel Edward A.L. Roberts, inventor ot the petroleum torpedo and founder of the Roberts Petroleum Torpedo Company along with his brother Walter Roberts was also responsible for many other interesting inventions. These inventions ranged from a mineral compound used in dentistry known as "continuous gum teeth", to the petroleum torpedo, to the improvement of the safe manufacturing of large quantities of Nitroglycerine.