| 1928 WILLIAM Horseshoe And Calk Patent Print Art |
| 1859 PAYNE Horseshoe Calk Sharpener Patent 12789 |
| 1884 MUNDY Boot and Shoe Calk Screw Patent 11502 |
| 1923 JACOB DINKELACKER Horseshoe Calk Patent |
| 1920 RANDOLPH BLOUM Horseshoe Calk Patent Print |
| 1923 FREEMAN JOSEPH Horseshoe Calk Patent Print |
| 1924 FRANKLIN Toe Calk For Horseshoes Patent |
| 1920 PORTER Calk For Horseshoes Patent Print Art |
| 1926 CARL BEUTHIEN Calk Patent Print Art |
| 1922 GRIFFIN MICHAEL Calk Patent Print Art |
| 1962 CALK OBERLEE Safety Ski Bar Patent Print |
| 1921 OLSEN NYGAARD Horseshoe Calk Patent Print |
| 1861 CATE Horseshoe Calk Making Patent 7939 |
| 1921 RICE RICHARD Horseshoe Calk Patent Print |
| 1868 JOHNSON Horseshoe Calk Sharpener Patent 7887 |
| 1962 CALK Safety Ski Bar Patent Print Art |
| 1924 SANDERS OSCAR Horseshoe Calk Patent Print |
| 1907 PFEIFFER Boot Calk Spike Setter Patent 7610 |
| 1923 JOHN Horseshoe And Calk Therefor Patent |
| 1921 GOWING ERNEST Horseshoe Calk Patent Print |
| 1923 SHERWOOD MATTHEW Removable Calk Patent |