| 1940 BURKE Oil Change Reminder Unit Patent Print |
| 1897 Change lady polarity Patent Artwork 4265 |
| 1895 VERBECK Money Change Stand Design Patent 37329 |
| 1913 BRUNHOFF Ornamental Change Tray New Patent 37379 |
| 1930 OSHEI Design Oil Change Indicator Patent 26068 |
| 1940 OTTO Change Speed Gear For Bicycles Patent |
| 1913 KRAUSS Design Change Receptacle Patent 37383 |
| 1913 DUNN Advertising Change Tray Design Patent 37382 |
| 1936 EMIL BAUMGARTNER Change Speed Patent Print |
| 1936 MCDOUGALL Change Pitch Propeller Patent |
| 1966 LORD CORP Blade Pitch Change Bearing Patent |
| 1947 BURKHALTER Change Speed Transmission Patent |
| 1939 WILLIAM Epicyclic Change Speed Gear Patent |
| 1928 COOK Oil Change Recording Device Patent |
| 1957 COUCH Quick Wheel Change Truck Patent Print |
| 1942 COTTRELL Quick Wheel Change Truck Patent |
| 1955 ERNST Change Speed Transmission Patent |
| 1913 BRUNHOFF Ornamental New Change Tray Patent 37380 |
| 1936 EDWIN T HODGE Change Pitch Propeller Patent |
| 1969 FOX Epicyclic Change Speed Gear Hubs Patent |
| 1944 ROLAND CHILTON Change Speed Gear Patent |
| 1935 KIRK GREENE Pitch Change Control Patent |
| 1924 ROSCOE Change Quick Underwear Patent Print |
| 1958 HIPPOLYTE Change Speed Gear Patent Print |
| 1913 BRUNHOFF Design New Change Tray Patent 37378 |
| 1925 SPIRIS Ornamental Design Change Tray Patent 37501 |
| 1969 JUY Change Speed Control Device Patent |
| 1916 WARREN Rubbing Plate Change Washboard Patent 39127 |
| 1914 JOHNSON Change Holding Plate Design Patent 37389 |
| 1991 MATHEWS Change Stroller TERESA Patent 47908 |
| 1913 BRUNHOFF Change Tray Patent 37377 |
| 1895 MURPHY Change Plate Tray Design Patent 37328 |
| 1958 FERRIERA Quick Change String Tuner Patent |
| 1960 BARBERIS Change Indicating Tool RIV Patent 41513 |
| 1934 VON SODEN Change Speed Gear Patent Print |
| 1894 LOW New Design Pocket Change Holder Patent 37324 |
| 1955 OMMEREN Propeller Pitch Change Motor Patent |
| 1960 JAMES Quick Change Troller Patent Print Art |
| 1877 SLAWSON Change Gate For Cars Patent 7783 |
| 1950 MCMURTRY WELBURN Change Holder Patent Print |
| 1949 OLSON Quick Change Gun Sight Patent Print |
| 1929 S K S MFG CO Oil Change Indicator Patent |
| 1968 MARX LOUIS Lane Change Raceway Toy Patent |
| 1929 SNELL Oil Change Indicator Patent Print Art |
| 1915 JESSEN Electric Change Switch BLOHM Patent 47643 |
| 1915 BRUNHOFF New Design Change Tray Patent 37394 |
| 1966 PETERSON Blade Pitch Change Bearing Patent |
| 1958 FERRIERA Quick Change String Tuner Patent 21336 |
| 1967 HOPKINS Change Speed Mechanism Patent Print |
| 1953 SIMPSON Quick Change Barrel Patent Print |
| 1928 NYSTROM Advertising Change Tray Patent 37536 |
| 1911 DAVIS Frame Change Transfer Patent 37366 |