FLEX-O-TUBE PATENT PAGE INFO
This company made Hydraulic Hose, Crimp Fittings, and a Crimper from 1936-1951. We
believe the products were sold to the Hydraulic Brake Industry.
Crimp Fittings for Hydraulic brakes with a clip.
Patent # 2,078,453 A
Patent # 2,231,278 A
Slip Nut Style Male Pipe Swivel
Patent # 2,172,650 A
Traditional Male pipe Swivel. Perhaps 1st of its kind. Represents current day construction.
Patent # 2,498,395 A