| 1930 GEORG DUISENBERG Roller Skate Patent Print |
| 1930 HANS MUSAUS Ice Skate Patent Print Art |
| 1930 NAT COMPANY INC Roller Skate Patent Print |
| 1930 CARNEY GEORGE Skate Patent Print Art |
| 1930 FRANK MACMILLAN Skate Patent Print Art |
| 1930 SCHMIDT Tubular Support Skate Runners Patent 47462 |
| 1930 HAMILTON Roller Skate Wheel Patent Print |
| 1930 HENRY Wheel Skate Or The Like Patent Print |
| 1930 HENRY Roller Skate And Attachment Patent |
| 1930 STIVER SYLVESTER Skate Patent Print Art |
| 1930 SMITH JERRY Roller Skate Patent Print Art |
| 1930 GEORG FRUHBEIS Ice Skate Patent Print Art |
| 1930 ORAFSIK MAXIMILIAN Ice Skate Patent Print |
| 1930 BRANCH Protector For Skate Blades Patent |
| 1930 HAMILTON DUNNE Roller Skate Patent Print |
| 1930 THOMPSON Interchangeable Skate Patent Print |
| 1930 PRESTON BURNHAM Roller Skate Patent Print |
| 1930 THOMAS SPACIE Roller Skate Patent Print Art |
| 1930 THOMPSON Interchangeable Ice Skate Patent 47461 |
| 1930 DUFF Combination Shoe And Skate Patent |