|US Patent 2616285|
The inventor was Samuel Tilden Shields (28 Sep 1894 - 3 Mar. 1964), born in Cleveland to John J. Shields and Harriet Van Gorder. Samuel Shields was a salesman, a contractor in Cleveland in the 1920s, and in sales again by 1942. He also received US Patent 2787820 in 1957 with Alfred Knudsen. This was for a window buck, a steel jamb for poured concrete walls.
|Shields drywall corner tool|