ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,497, issued on March 24.

"Single-operator multi-function foldable transporter" was invented by Michael H Panosian (Irvine, Calif.) and Joshua M Keeler (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system is disclosed including a transporter, having a top load bearing surface or bed, and four wheeled articulating legs, that may be operated by a single user/operator, and can be lowered or raised by changing the lengths or angles of its legs while maintaining the transporter bed level. The legs that may be folded up to be loaded onto or unloaded from a truck bed, or a stationary platform, by a single operator while carrying heavy lo...