| 1924 CALDWELL Aircraft Propeller Patent Print |
| 1969 CALDWELL Floatable Trotline Patent Print |
| 1927 CALDWELL FRANK Impeller Patent Print Art |
| 1933 CALDWELL FRANK Propeller Patent Print Art |
| 1939 CALDWELL FRANK Propeller Drive Patent Print |
| 1944 CALDWELL Recording Apparatus Patent Print |
| 1927 CALDWELL FRANK Propeller Hur Patent Print |
| 1937 CALDWELL JOHN Propeller Patent Print Art |
| 1921 CALDWELL JOHN Artificial Bait Patent Print |
| 1945 CALDWELL Adjustable Nozzle Patent Print Art |
| 1942 CALDWELL Composite Propeller Patent Print |
| 1949 CALDWELL STEPHENS Water Ski Patent Print |
| 1929 EDWARD CALDWELL Airplane Patent Print Art |
| 1936 CALDWELL FRANK Propeller Patent Print Art |
| 1937 CALDWELL Propeller Patent Print Art |
| 1922 CALDWELL ALFRED Pennant Holder Patent Print |
| 1928 CALDWELL JAMES Aquatic Vehicle Patent Print |
| 1922 CALDWELL JAMES Recoil Pad Patent Print Art |
| 1959 CALDWELL Pipe Organ Valves Patent Print Art |
| 1929 CALDWELL EARL Toy Catapult Patent Print Art |
| 1922 CLAY CALDWELL Fishing Rod Patent Print Art |
| 1924 QUITMAN CALDWELL Switch Stand Patent Print |