“Navigating the air”
In 1869, W.F. Quinby of Wilmington, Delaware, invented a new and improved flying machine. Quinby states in his application that his improvements “intended to...
No more hair pins or combs
On April 7, 1908, Thomas P. Taylor filed a patent application for a “new and useful improvement in hair-rolls.” In his application, he states that his goal is to...
Polishing safety deposit boxes
On September 8, 1903, Emil A. Strauss was granted a patent for his improvement on the safety deposit box. According to his application, until his invention, the...
Propeller
On October 13, 1904, William B. Hayden, resident of New York, submitted a patent application for improvements to the propeller. In his application, he states that his...
Raft
On February 14, 1818, David Gordon received a patent for his raft design. When a patent is granted, it excludes others from making, using, offering for sale, or...
Staple machine
On June 23, 1903, the Patent Office granted Robert K. Marple’s patent for the staple machine. In his application, he states that “it has as its primary object to...
The car of tomorrow
Preston Tucker filed this patent drawing for his Tucker Torpedo automobile in 1947. This drawing was an exhibit in Tucker's conspiracy and fraud trial. He was...