Salzman Manufacturing Company
Hamilton, OH - ca. 1900/1901. Earlier versions of this company include Kennel & Salzman, Kennel, Salzman & Neeley, and Kennel, Salzman & Robbins. Mr. Salzman passed away 6/8/1910. He had many inventions such as cultivators, swings (porch), gaming tables, etc.
Christian A. Salzman Patent #529,962 - Combination Tool - Assigned 1/3 each to Emil P. Kennel and John Robbins (of Indianapolis) - 11/27/1894
Christian A. Salzman Patent #574,764 - Combination Tool - Assigned 1/2 to John A. Robbins of Hamilton - 1/5/1897
Christian A. Salzman Patent #653,317 - Combination Tool - Assigned 1/2 to John A. Robbins - 1/10/1900
A little more digging revealed this "related" patent. Related due to Kissel, Blount & Robbins, a likely a decendent company.
From Craigslist/Garage Journal