| 1956 NICHOLAUS Feeding Mechanisms Sewing Machines |
| 1956 DANIELSON Rubber Shock Absorbing Mechanisms |
| 1956 BERNARD Belt Feed Mechanisms Automatic Firearms |
| 1956 SINGER CO Trimming Mechanisms Sewing Machines |
| 1956 JOHNSON Take Up Mechanisms Sewing Machines |
| 1956 WILLIAM Fluid Pressure Mechanisms Patent |
| 1956 SINGER CO Presser Mechanisms Sewing Machines |
| 1956 GREGORY Bobbin Case Opener Driving Mechanisms |
| 1956 MANZO Firing Mechanisms Automatic Loading Arms |
| 1956 HERMAN Trimming Mechanisms Sewing Machines |
| 1956 SINGER CO Sewing Machine Presser Mechanisms |
| 1956 SPAINE Thread Trimming Mechanisms Sewing Machines |
| 1956 SINGER CO Feeding Mechanisms Sewing Machines |
| 1956 UNITED Sewing Machine Feed Mechanisms Art |
| 1956 SINGER Thread Trimming Mechanisms Sewing Machines |
| 1956 SCOTT Presser Mechanisms Sewing Machines |
| 1956 MULCAHY Rubber Shock Absorbing Mechanisms |
| 1956 HALE Sewing Machine Presser Mechanisms Art |
| 1956 DUNLOP RUBBER CO Fluid Pressure Mechanisms |
| 1956 MINER W H Rubber Shock Absorbing Mechanisms |
| 1956 SINGER CO Bobbin Case Opener Driving Mechanisms |
| 1956 HOSLEY Sewing Machine Feed Mechanisms Art |
| 1956 SINGER CO Take Up Mechanisms Sewing Machines |