| 1922 CORK Railway Trapdoor Lock Mechanism Patent |
| 1922 WINE WILLIAM Car Door Mechanism Patent |
| 1922 WILLIAM Torpedo Launching Mechanism Patent |
| 1922 OLSEN Pin Setting Mechanism Patent Print |
| 1922 BEEBE Dumping Mechanism For Trucks Patent |
| 1922 TALIAFERRO Breech Mechanism For Guns Patent |
| 1922 EDWARD Escapement Mechanism Patent Print |
| 1922 KRUSE Barn Cleaning Mechanism Patent Print |
| 1922 PETER Overstitch Mechanism Patent Print Art |
| 1922 ROTE Pull Mechanism For Railway Cars Patent |
| 1922 RUDOLF Switch Controlling Mechanism Patent |
| 1922 FRANZ Power Transmission Mechanism Patent |
| 1922 SYM Gate Actuating Mechanism Patent Print |
| 1922 SYMONS Shock Absorbing Mechanism Patent |
| 1922 PSILANDER Switch Mechanism Patent Print Art |
| 1922 OHIO BRASS CO Anticoupling Mechanism Patent |
| 1922 ARGYLE Door Operating Mechanism Patent |
| 1922 GRANT Firing Mechanism For Firearms Patent |
| 1922 EICKHOFF THEODORE Gun Mechanism Patent |
| 1922 HEDGCOCK Fulcrum Mechanism Patent Print Art |
| 1922 GEORGE Coupling Centering Mechanism Patent |
| 1922 MACK RUDOLPH Steering Mechanism Patent |
| 1922 WILLIAM Uncoupling Mechanism Patent Print |
| 1922 TREVOR Car Door Operating Mechanism Patent |
| 1922 LOFGREN Portable Sawing Mechanism GRONKWIST Patent |
| 1922 KADEL BYERS Car Door Mechanism Patent Print |
| 1922 ASBURY DORSEY Breech Mechanism Patent Print |
| 1922 TREVOR Ordnance Firing Mechanism Patent |
| 1922 EDWARD Pendant Setting Mechanism Patent |
| 1922 ARTHUR Switch Actuating Mechanism Patent |
| 1922 C W MITCHELL Train Control Mechanism Patent |
| 1922 NUSBAUM Percussion Firing Mechanism Patent |
| 1922 BOILLOT Self Winding Clock Mechanism Patent |
| 1922 TOM Seine Operating Mechanism Patent Print |
| 1922 ZIMMER Door Locking Mechanism Patent Print |
| 1922 MILLIKEN Uncoupling Mechanism Patent Print |
| 1922 BELL THOMAS Locking Mechanism Patent Print |
| 1922 PAUL HORAN Train Stop Mechanism Patent |
| 1922 TREVOR Ordnance Breech Mechanism Patent |
| 1922 JULES Transmission Mechanism Patent Print |
| 1922 AVERILL Anticoupling Mechanism Patent Print |
| 1922 AUTO ORDNANCE CORP Gun Mechanism Patent |
| 1922 JAMISON Train Control Mechanism Patent |
| 1922 TALIAFERRO Breech Closure Mechanism Patent |
| 1922 GEORGE Coupling Operating Mechanism Patent |
| 1922 DE Thread Controlling Mechanism Patent |
| 1922 MCCAULLEY Railway Switch Mechanism Patent |
| 1922 MIKE Pneumatic Locking Mechanism Patent |
| 1922 EMILE VALOIS Shuttle Mechanism Patent Print |
| 1922 FRANCESCO Steering Mechanism Patent Print |
| 1922 MCGOWAN DENNIS Draft Mechanism Patent Print |
| 1922 THEODOR Steering Mechanism Patent Print Art |
| 1922 REGAN Uncoupling Mechanism Patent Print Art |
| 1922 WINE Door Mechanism For Railway Cars Patent |