Patents for Diamond Calk and Horseshoe Co.


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Patents for Diamond Calk and Horseshoe Co.
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,850,816	Mar. 22, 1932	A.R. Swanstrom	Pitching Horseshoe
1,862,499	Jun. 07, 1932	A.R. Swanstrom	Horseshoe Calk