| 1966 DUMBRELL Design Animal Ear Tag Patent 36656 |
| 1923 SALT LAKE STAMP COMPANY Ear Tag Patent |
| 1953 DUMBRELL Design Ear Tag Sheep Animals Patent 36511 |
| 1923 FRETZ WARREN Ear Tag Patent Print Art |
| 1926 LENK FRANK Ear Tag Patent Print Art |
| 1973 COCKBURN Design Ear Tag TOUGH Patent 36800 |
| 1968 DANA CO C H Animal Ear Tag Patent Print Art |
| 1923 HENNEFER EDWIN Ear Tag Patent Print Art |
| 1939 J O KER Tamperproof Ear Tag Patent Print |
| 1976 MEEKS Ear Tag Controlling Hog Louse Patent 36891 |
| 1967 WALLACE JOHN Livestock Ear Tag Patent Print |
| 1971 FEARING Design Ear Tag Animals Patent 36764 |
| 1973 FEARING Ornamental Design Ear Tag Patent 36804 |
| 1939 ASHTON Tamperproof Ear Tag Patent Print Art |
| 1971 RITCHEY Ear Tag Identification Patent 36778 |
| 1969 JACOBSON Design Animal Ear Tag Patent 36721 |
| 1966 SAYRE Design Livestock Ear Tag Patent 36669 |
| 1976 STEPHENSON Ear Tag Inserting Pliers Patent 36900 |
| 1961 DUMBRELL Ear Tag Cattle Marking Patent 36590 |
| 1968 NICHOLS JR Animal Ear Tag Patent Print Art |
| 1926 FRETZ Ear Tag Applying Device Patent Print |
| 1966 DUMBRELL Animal Ear Tag Design Patent 36655 |
| 1963 MCMURRAY HERMAN Ear Tag Pliers Patent Print |
| 1967 MELIN Ear Tag And Tag Applying Tool Patent |