US Patent Office Shows Off Timeless Machines
Inventors these days have it easy. Usually, all they need to do when petitioning for intellectual property rights is file the paperwork. Before 1880, though, anyone with a new product idea had to build a miniature version of it to help inspectors understand the design. A selection of those patent models are featured in a new exhibit at the Smithsonian, Inventing a Better Mousetrap, set to open in November.
» via Wired