Patent Office

We all recognize Mark Twain as being a well-known American author who is responsible for classic books such as The Adventures of Tom Sawyer and its sequel, Adventures of Huckleberry Finn. But, did you know that Mark Twain also was a patent holder? Believe it or not, aside from being a famous author, he was …

The history of the washing machine dates back to 1691, when the first English patent under the category of “Washing and Wringing” was filed. From that point on, many versions of the washing machine were released in Europe and, in 1782, Henry Sidgier released a British patent for a rotating drum washer.  Following this release, …