Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: DeHaven Model 4 Manufacturer: DeHaven Razor Co. Type: Shake Sharp Country: USA Patent: US - 1718219(6/25/29), 1859554/5/6(5/24/32), 1952399(3/20/34), 2041680(2/20/35) Comment: Razor is missing blade. Note patent drawing for blade design. Model 4 is marked on razor. Source: twillard Editors: