Gellman Wrench Corp. / Gellman Mfg. Corp.
(Rock Island / Chicago, IL) - The Chicago Tribune reports the company was founded in 1922 and, in 1924, was renamed the Gellman Manufacturing Company. In 1940, the company's products were bread slicing, wrapping and sealing machines.
Israel Gellman - Patent #1,451,906 - Wrench - Self Assigned (Known as the "Polly" wrench)
Israel Gellman - Patent &1,451,873 - Adjustable Socket Wrench - Self Assigned