| 1930 SINGER Looper Actuating Mechanism Sewing Machines |
| 1930 SINGER CO Rotary Hook Mechanism Sewing Machines |
| 1930 JOSEPH Feeding Mechanism Sewing Machines |
| 1930 UNION Thread Controlling Mechanism Sewing Machines |
| 1930 LEVEQUE Feed Mechanism Sewing Machines Art |
| 1930 UNION Feeding Mechanism Sewing Machines Art |
| 1930 UNITED Feed Mechanism Sewing Machines Art |
| 1930 FRED Presser Foot Mechanism Sewing Machines |
| 1930 SINGER CO Stitch Forming Mechanism Sewing Machines |
| 1930 GATCHELL Needle Bar Mechanism Sewing Machines |
| 1930 STEIN Operating Mechanism Sewing Machines |
| 1930 BARRON Stitch Forming Mechanism Sewing Machines |
| 1930 FEIGEL Presser Foot Mechanism Sewing Machines |
| 1930 PAXTON Stop Mechanism Sewing Machines Art |
| 1930 UNION Presser Foot Mechanism Sewing Machines |
| 1930 CHRISTENSEN Feeding Mechanism Sewing Machines |
| 1930 NELSON Loop Taker Mechanism Sewing Machines |
| 1930 CLAYTON Looper Actuating Mechanism Sewing Machines |
| 1930 JOSEPH Looper Mechanism Sewing Machines Art |
| 1930 UNION Looper Mechanism Sewing Machines Art |
| 1930 SINGER CO Needle Bar Mechanism Sewing Machines |
| 1930 UNITED Presser Foot Mechanism Sewing Machines |
| 1930 LEON Rotary Hook Mechanism Sewing Machines |
| 1930 DAVID Control Mechanism Sewing Machines Art |
| 1930 SINGER CO Loop Taker Mechanism Sewing Machines |