William Deidrick
Encyclopedia
William Deidrick, of Selma, California
Selma, California
Selma is a city in Fresno County, California. The population was 23,219 at the 2010 census, up from 19,240 at the 2000 census. Selma is located southeast of Fresno, at an elevation of 308 feet .-Geography:...

 was a co-inventor of the Fresno Scraper
Fresno Scraper
The Fresno Scraper is a machine used for constructing canals and ditches in sandy soil.It was invented in 1883 by the Scottish immigrant and entrepreneur James Porteous who, having worked with farmers in Fresno, California, had recognised the dependence of the Central San Joaquin Valley on...

, the machine that became the basis of most modern earth-moving equipment
Engineering vehicle
Heavy equipment refers to heavy-duty vehicles, specially designed for executing construction tasks, most frequently ones involving earthwork operations. They are also known as, construction equipment, construction plant, earth movers, engineering vehicles, or simply equipment...

. On April 17, 1883, Deidrick received U.S. Patent 275,893 for his horse-drawn scraper, which was a variation on the Buck Scraper, invented by James Porteous
James Porteous
James Porteous was the Scottish-American inventor of the Fresno Scraper.James Porteous was born in Haddington, East Lothian, Scotland. His father, William Porteous, had been a wheelwright and blacksmith who built and repaired carriages, wagons and farm equipment...

 of Fresno, California
Fresno, California
Fresno is a city in central California, United States, the county seat of Fresno County. As of the 2010 census, the city's population was 510,365, making it the fifth largest city in California, the largest inland city in California, and the 34th largest in the nation...

. Porteous, originally a manufacturer of wagons, purchased Deidrick's patent, and also one held jointly by Frank Dusy
Frank Dusy
Frank Dusy was an early business leader of Selma, California and a co-inventor of the Fresno Scraper, the basis of most modern earth-moving machinery. On June, 16, 1885, Dusy and his partner Abijah McCall were issued U.S. Patent 320,055, for their improvement on the Buck Scraper, invented by James...

 and Abijah McCall
Abijah McCall
Abijah McCall was a co-inventor of the Fresno Scraper, a horse-drawn earth-moving machine upon which modern road- and canal-building equipment is based. Along with his partner Frank Dusy, McCall devised an improvement on the Buck Scraper, invented by James Porteous. On June 15, 1885, McCall and...

 as he perfected the machine, an important tool in the building of the Panama Canal
Panama Canal
The Panama Canal is a ship canal in Panama that joins the Atlantic Ocean and the Pacific Ocean and is a key conduit for international maritime trade. Built from 1904 to 1914, the canal has seen annual traffic rise from about 1,000 ships early on to 14,702 vessels measuring a total of 309.6...

, among many other uses.
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