Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: Allegro Stropper with Wheel (plastic), w/o model #, Chrome, Case w/snaps opening top & front Manufacturer: Allegro Co. Type: Allegro Type Country: Switzerland Patent: Eng - 138265(2/4/1920); US - 1399241(12/6/1921); Germany DRP - 497383(5/9/1930), 531932(8/19/1931), 479460(7/17/1929); France - 724715(5/2/1932) Comment: Source: twillard Editors: