| 1934 ROSS FREDERICK Cotton Breaker Patent Print |
| 1935 SCHWARZMANN Circuit Breaker Patent Print |
| 1942 CURTIS Paving Breaker Jack Hammer Patent 10594 |
| 1957 EUGENE ENDREZZE Concussion Breaker Patent |
| 1957 EUGENE Concussion Breaker Patent Print Art |
| 1919 FORTESCUE Circuit Breaker ELECTRIC Patent 47605 |
| 1883 BLUNT Automatic Tornado Breaker Cannon Patent 1163 |
| 1932 LYLE Circuit Breaker WESTINGHOUSE Patent 47440 |
| 1949 DARR Design Tire Bead Breaker NELSON Patent 44739 |
| 1956 IRVIN BERTRAND Circuit Breaker Patent Print |
| 1950 DELL Thermal Circuit Breaker Patent Print |
| 1924 ALBERT ELLIS Ice Breaker Patent Print Art |
| 1937 WILLHEIM Circuit Breaker ELECTRIC Patent 47383 |
| 1924 ALBERT Ice Breaker Patent Print Art |
| 1934 BRIGGS MFG CO Cotton Breaker Patent Print |
| 1936 HOLBY FRANK Siphon Breaker Patent Print Art |
| 1968 INGERSOLL RAND CO Mobile Breaker Patent |
| 1914 RANEY Automatic Circuit Breaker AUTOMATIC Patent 8 |
| 1934 TOMKIN Safety Trip Ridge Breaker Patent |
| 1925 ANDREW GILBERTS Contact Breaker Patent |
| 1829 SALISBURY Hemp Flax Breaker LANGDON Patent 51433 |
| 1955 GEN MOTORS CORP Circuit Breaker Patent |
| 1957 ROBERT Mine Chain Breaker Patent Print Art |
| 1893 THOMSON Circuit Breaker GENERAL Patent 47743 |
| 1946 RIETZ TOWER Circuit Breaker ELECTRIC Patent 30419 |
| 1930 MOORE Circuit Breaker OHIO BRASS Patent 20209 |
| 1966 VALENTIN Single Use Circuit Breaker Patent |
| 1914 HANEY Automatic Circuit Breaker Patent 5871 |
| 1836 CRAM Hydrostatic Pneumatic Breaker Patent 52622 |
| 1951 CYRILLE POULIOT Ice Breaker Patent Print |
| 1968 LEWIS SAMUEL Mobile Breaker Patent Print |
| 1949 WEBB Switch And Circuit Breaker Patent |
| 1868 PAGE Induction Coil and Circuit Breaker Patent 128 |
| 1950 MICHAEL Circuit Maker And Breaker Patent |
| 1955 KELLER CLARENCE Circuit Breaker Patent |
| 1966 BOFORS AB Single Use Circuit Breaker Patent |
| 1923 PALMER WAYNE Circuit Breaker Patent Print |
| 1951 CYRILLE Ice Breaker Patent Print Art |
| 1917 GUSTAFSON Circuit Breaker HENDEE Patent 21968 |
| 1977 HIRSCH Vacuum Breaker Stem Packing Patent 44208 |
| 1836 FREYTAG Ice Breaker Patent 52652 |