| 2001 SNOWDEN Balancing Game ROBITZSCH Patent 29996 |
| 1939 DORNIER WERKE GMBH Balancing System Patent |
| 1958 AMEROCK CORP Balancing Mechanism Patent |
| 1951 GOOSMANN HERMAN Balancing Toy Patent Print |
| 1928 ANTON Balancing Of Aircraft Patent Print |
| 1910 DAUGHERTY Balancing Vehicle Wheels Patent 49955 |
| 1927 ROBERT N BURTON Self Balancing Kite Patent |
| 1963 HARRIS ISRAEL Balancing Stick Patent Print |
| 1969 GLASS Structural Balancing Game Patent |
| 1949 PETER Balancing Figure Wheeled Toy Patent |
| 1938 HAVOURD Balancing Unit Pistol COLTS Patent 23517 |
| 1938 AUSTIN Emergency Balancing Means Patent |
| 1966 LUCHLAND COMPANY Balancing Game Patent |
| 1939 OLE OLSEN Balancing Sticks Patent Print Art |
| 1921 CHARLES MATHIEU Balancing Toy Patent Print |
| 1927 SARGENT Balancing Block Human Figure Patent 37525 |
| 1963 SHANKS Balancing Monorail Figure Toy Patent |
| 1952 DOUGLAS Aircraft Balancing Means Patent |
| 1968 COVELL Balancing Apparatus Patent Print Art |
| 1968 GLASS Balancing Game Apparatus Patent Print |
| 1957 HEMMETER Wheel Balancing Spinner Patent 44598 |
| 1939 CLAUDE DORNIER Balancing System Patent |
| 1940 ERLE Propeller Balancing Means Patent Print |
| 1958 AHLGREN Balancing Mechanism Patent Print |
| 1947 LAMPTON Balancing Propeller Blades Patent |
| 1960 HAROLD Toy For Balancing And Walking Patent |
| 1968 O'TOOLE Balancing Vehicle Lift Patent Print |
| 1965 HING Head Attached Balancing Toy Patent |
| 1945 TACK Brake Head Balancing Device Patent |
| 1968 SYSTEMS Toy Testing Balancing Skill Patent |
| 1927 CONRAD Self Balancing Kite Patent Print Art |
| 1869 STEINHAUSER Mode Balancing Keys Piano Patent 21214 |
| 1924 SHAW Aircraft Balancing System Patent Print |
| 1965 PATTERSON Balancing Game Apparatus Patent |
| 1966 LUCHSINGER CHARLES Balancing Game Patent |
| 1945 SMITH Brake Head Balancing Device Patent |
| 1961 JULIUS Stick Balancing Game Patent Print |
| 1976 BERLIN Balancing Snake Figure Toy Patent 38184 |
| 1956 JENSEN Rotor Balancing Means Patent Print |
| 1922 FISHER Balancing Attachment For Guns Patent |
| 1956 HANS Sewing Machine Balancing Patent Print |
| 1915 RYLAND Automatic Balancing Steering Patent 21858 |