Safety razor steel blades remain in limited production for lower income markets. Because Gillette held a patent on stainless blades but had not acted on it, the company was accused of exploiting customers by forcing them to buy the rust-prone blade. The risk of injury from handling razor blades was further reduced in 1970 when Wilkinson released its "Bonded Shaving System", which embedded a single blade in a disposable polymer plastic cartridge. A flurry of competing models soon followed with everything from one to six blades, with many cartridge blade razors also having disposable handles. Cartridge blade razors are sometimes considered to
Rolls Razor in the US in 1950; the claimed first use was 1922. The US patent for the method of attaching the blade to the handle was filed in 1925 and issued in 1930. The name "Rolls Razor (1927) Ltd." was used in advertising. The razor was still manufactured and sold until 1958 when the company was purchased by entrepreneur/corporate raider John Bloom who decided to focus on washing machines rather than the razor. Though not made by the Rolls-Royce company, the name was chosen to evoke the "Rolls" image of luxury and quality. The factory address was 255 Cricklewood Broadway, London,