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For much of the nineteenth century, inventors submitted a model with their patent application to the United States Patent Office. The National Museum of American History’s patent model collection ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ciara Murray Jordan and Sabrina Imbler Espresso is ubiquitous in coffee shops ...

The Browning M2 .50 Caliber Machine Gun, Heavy barrel is an automatic, recoil operated, air-cooled machine gun with adjustable headspace and is crew transportable with limited amounts of ammunition ...

Unusual Machines, Inc. engages in the commercial drone industry. The company offers small drones and essential components. It distributes their products through B2B sale, e-commerce site, and retail ...