Leatherman is a brand of multitools and knives made by Leatherman Tool Group of Portland, Oregon, US. The company was founded in July 1983 by Timothy S. Leatherman and Steve Berliner in order to market his idea of a capable, easily portable hand tool with multiple functions. That same year Leatherman sold the first multitool, which was called the PST (Pocket Survival Tool). Timothy S. Leatherman, a 1970 mechanical engineering graduate of Oregon State University, and his business partner, Steve Berliner, formed Leatherman Tool Group in 1983. Leatherman was inspired to design a "Boy Scout knife with pliers" while he and his wife traveled Europe and the Middle East in 1975, often attempting to use a simple pocketknife to repair their repeatedly malfunctioning car and leaky hotel plumbing. He spent several years perfecting the "Mr. Crunch" prototype and received his first U.S. patent (4,238,862) in 1980. After additional refinement, Leatherman’s first product was introduced in 1983 as the Pocket Survival Tool (PST) and initially sold through Early Winters and Cabela’s mail-order catalogs.