| 1931 ALBERT JUNG Skate Patent Print Art |
| 1931 SQUIRES Ornamental Design Ice Skate Patent 47448 |
| 1931 ALFRED JOHNSON Ice Skate Scabbard Patent |
| 1931 RICHARDSON BALL BEARING SKATE Skate Clamp |
| 1931 PLANERT Roller Skate Construction Patent |
| 1931 PAUL FEHRE Roller Skate Patent Print Art |
| 1931 SPALDING & BROS AG Skate Wheel Patent Print |
| 1931 E M BLACKSHER Roller Skate Patent Print Art |
| 1931 ORLOW PRODUCTS CORP DE Skate Patent Print |
| 1931 DE Skate Art |
| 1931 MARSHALL JAMES Skate Roll Patent Print Art |
| 1931 MIRICK EDWARD Skate Patent Print Art |
| 1931 NESTOR JOHNSON MFG COMPANY Ice Skate Patent |
| 1931 JAMES TRACEY Roller Skate Patent Print Art |
| 1931 REACH WILLIAM Skate Wheel Patent Print Art |
| 1931 KOKOMO STAMPED METAL Skate Wheel Art Print |
| 1931 THOMPSON EARLY Roller Skate Patent Print |
| 1931 JOSLIN PLINY Skate Patent Print Art |
| 1931 EDWARD KLEVSTAD Ice Skate Patent Print Art |
| 1931 BENETATOS ANDREW Skate Patent Print Art |
| 1931 ETTEN WILLIAM Roller Skate Patent Print Art |
| 1931 HOLM HANS Roller Skate Patent Print Art |
| 1931 BERGER SAMUEL Skate Patent Print Art |
| 1931 SMITH LORA Skate Wheel Patent Print Art |
| 1931 LEONARD GEORGE Roller Skate Patent Print |
| 1931 F W PLANERT SONS INC Roller Skate Construction |
| 1931 WHITCOMB JR Skate Clamp Patent Print Art |
| 1931 WINCHESTER REPEATING ARMS CO Skate Roll Art |
| 1931 VITUS HRUBES Roller Skate Patent Print Art |
| 1931 KINSLEY FELIX Snow Skate Patent Print Art |
| 1931 BALDWIN FRANCIS Skate Wheel Patent Print |
| 1931 HARVEY LEWIS Ice Skate Patent Print Art |