ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,902, issued on Dec. 30, was assigned to FIRECO S.R.L. A SOCIO UNICO (Gussago, Italy).
"Pneumatic telescopic mast" was invented by Corrado Cervi (Rovato, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pneumatic telescoping mast having a plurality of telescopically-coupled sealing tubes is provided. Actuation of the telescopically-coupled sealing tubes occurs by introducing pressurized air into the pneumatic telescoping mast. Tube locking means lock the telescopically-coupled sealing tubes in an extended configuration by interference or friction even in absence of the pressurized air in the pneumatic telescoping mast. The tube locking means ha...