Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: Nickel-plated steel and plastic handle with single-edged, double-blade cartridge insert. Produced in 1973. Called the Twinjector Razor. Meant to compete with the Schick Injector Razor. Manufacturer: Gillette Safety Razor Company, Boston, Mass. Type: Gillette Country: USA Patent: Comment: Very short production life and Gillette left it at the first opportunity. Totally outmoded by the Trac II which came out with a demonstrator can in 1971. Source: e sinker Editors: