Mr. Richardson and his company AA Machining & Welding, Inc. built the first major ski resort zip line at Park City Mountain Resort in 2002 know known as Zip-Rider. He is the owner of Momentum Engineering, LLC. Momentum Engineering, LLC has designed a handheld passive braking zipline trolley and barrel spring systems. Momentum Engineering develops in zip line systems, tower design, site-inspection, zipline trolley safety, product development, 3rd-party training, and Emergency Arrest Devices (EADs).
His first company, AA Machining & Welding, Inc. began in 1995. The company was involved in steel construction, national board certified welding, machine tooling, product development, and building amusement rides. His business became a Nation Board Certified in welding, and he gained a Steel Erection Contractors license. One of his accomplishments came when Park City Mountain Resort Zipline now known as ZipRider. AA Machining & Welding built the largest zipline of the day in 2002. He later gained his first United States patent in 2003.
In 2009 he designed, build, trained personnel and operated a zipline in Spanish Fork, Utah https://www.heraldextra.com/news/local/south/elk-ridge/elk-ridge-resident-finds-peace-in-creating-new-things/article_10c0ba70-9a48-50fb-8b6b-87b56e5deae8.html.
He was first contacted in 2010 as an expert witness candidate in a zip line accident in Reno, Nevada.
He has three United States patents for the passive braking trolleys and zip line braking systems. The first in 2003 https://patents.google.com/patent/US6666773B1/en The second United States patent issued in 2013 https://patents.google.com/patent/US8424460B2/en and his third United States patent was granted in 2019.
Mr. Richardson’s zip line trolleys and braking systems ride on some of the largest zip lines in the world.