| 1928 HARRY T ZASLAFF Swimming Device Patent |
| 1928 TUCKER JESSE Swimming Circle Patent Print |
| 1928 FIBIGER AUGUSTUS Swimming Shoe Patent Print |
| 1928 LINDER JOHN Swimming Glove Patent Print Art |
| 1928 EARL NEILL Swimming Glove Patent Print Art |
| 1928 GEORGE VIRNEBURG Swimming Glove Patent |
| 1928 WILLIAM MAXWELL Swimming Device Patent |
| 1928 CHARLES SPURGES Swimming Device Patent |
| 1928 PAUL HOPPMANN Swimming Apparatus Patent |
| 1928 FELIX ARNOLD Swimming Device Patent Print |
| 1928 HARTWIG MOHR Swimming Device Patent Print |
| 1928 FRITZ NATHO Swimming Glove Patent Print Art |
| 1928 VINCENZO SPEZIALE Swimming Device Patent |
| 1928 THEODOR RENSING Swimming Device Patent |
| 1928 SCHWALGE Swimming Appliance Patent Print |
| 1928 CHRISTIAN MEYER Swimming Device Patent |
| 1928 PERRY IRA Swimming Apparatus Patent Print |
| 1928 MATYAS MORANSKY Swimming Device Patent |
| 1928 FREDRICK JACOBSEN Swimming Shoe Patent |
| 1928 ELDON ALBERT Swimming Ring Patent Print Art |