| 1924 US ORDNANCE COMPANY Breech Mechanism Patent |
| 1924 IWWERKS Sound Reproducing Mechanism Patent |
| 1924 LEFTWICH Gear Shifting Mechanism Patent |
| 1924 JOYCE Recuperator Mechanism For Guns Patent |
| 1924 JAMES Propelling Mechanism For Ships Patent |
| 1924 ABAJI BISEY Rowing Mechanism Patent Print |
| 1924 SYMONS Shock Absorbing Mechanism Patent |
| 1924 TREGER Alarm Clock Mechanism Patent Print |
| 1924 WINE Door Mechanism For Railway Cars Patent |
| 1924 ABAJI Rowing Mechanism Patent Print Art |
| 1924 STEVEN PERDI Clock Mechanism Patent Print |
| 1924 MILLER ELMER Trigger Mechanism Patent Print |
| 1924 COUNCILMAN Impact Firing Mechanism Patent |
| 1924 RAMSEY Valve Operating Mechanism Patent |
| 1924 PICKEL Switch Operating Mechanism Patent |
| 1924 ZIMMERMAN Elevating Mechanism Patent Print |
| 1924 BRIGDEN Escapement Mechanism Patent Print |
| 1924 MASON JOHN Control Mechanism Patent Print |
| 1924 OTTO Boat Propelling Mechanism Patent Print |
| 1924 BLAIR Gun Sighting Mechanism Patent Print |
| 1924 CAKE HORACE Propulsion Mechanism Patent |
| 1924 REIMERS Tracker Bar Mechanism Patent Print |
| 1924 CLARK Dumping Mechanism For Vehicles Patent |
| 1924 DIXON Switch Operating Mechanism Patent |
| 1924 HASELTINE Shock Absorbing Mechanism Patent |
| 1924 HOHMANN Stitch Forming Mechanism Patent |
| 1924 ARGYLE Door Operating Mechanism Patent |
| 1924 SCHMIDT Shock Absorbing Mechanism Patent |
| 1924 VINCENZO Boat Propelling Mechanism Patent |
| 1924 MANN DAVID Stop Watch Mechanism Patent |
| 1924 PRATT Airplane Landing Mechanism Patent |
| 1924 PORTER Resettable Timing Mechanism Patent |
| 1924 WEBB Train Stopping Mechanism Patent Print |
| 1924 KADEL BYERS Car Door Mechanism Patent Print |
| 1924 STREIB JOHN Brake Mechanism Patent Print |
| 1924 STAMBAUGH Breech Mechanism Patent Print Art |
| 1924 TREVOR Ordnance Breech Mechanism Patent |
| 1924 BETTS Tank Vehicle Safety Mechanism Patent |
| 1924 SINGER MFG CO Stop Motion Mechanism Patent |
| 1924 CAMPBELL Hand Brake Mechanism Patent Print |
| 1924 PRESSED STEEL CAR CO Brake Mechanism Patent |
| 1924 ELLIS Mechanism For Flying Machines Patent |
| 1924 FIFIELD Stop Motion Mechanism Patent Print |
| 1924 FUNK AUSTIN Brake Mechanism Patent Print |
| 1924 ROBERTSON Brake Actuating Mechanism Patent |
| 1924 SINGER MFG CO Drive Mechanism Patent Print |
| 1924 LOCKHART Control Mechanism Patent Print Art |
| 1924 HALVERSON Ratchet Drive Mechanism Patent |
| 1924 HAMMOND Steering Mechanism Patent Print Art |
| 1924 MILLER Door Supporting Mechanism Patent |
| 1924 DURFEE WALTER Chime Mechanism Patent Print |
| 1924 OSCAR LONDBERG Drive Mechanism Patent Print |
| 1924 JOYCE Gun Recoil Mechanism Patent Print Art |
| 1924 CAMP PERCY Winding Mechanism Patent Print |
| 1924 PEHRSON ALFRED Brake Mechanism Patent Print |
| 1924 WITHROW Hand Brake Mechanism Patent Print |
| 1924 DESMOND SPRAGUE Firing Mechanism Patent |
| 1924 BLAKE Boat Launching Mechanism Patent Print |
| 1924 HICKMAN Saxophone Fingering Mechanism Patent 17227 |
| 1924 FRANK Trigger Mechanism For Guns Patent |
| 1924 WINKLEY Detonating Mechanism Patent Print |
| 1924 ALLEN Octave Key Mechanism Patent Print Art |
| 1924 JOYCE Elevating Mechanism For Guns Patent |
| 1924 FLETCHER HENRY Drive Mechanism Patent Print |