| 1933 DUNNELL Thread Cutter Buttonhole Sewing Machines |
| 1933 UNITED Thread Treating Sewing Machines Art |
| 1933 SINGER CO Thread Cutting Mechanism Sewing Machines |
| 1933 RUBEL Thread Controlling Mechanism Sewing Machines |
| 1933 HERBERT Thread Tensioning Sewing Machines |
| 1933 SCIULLO Thread Saver Sewing Machines Art |
| 1933 WOOD Thread Cutting Mechanisms Sewing Machines |
| 1933 FLECKENSTEIN Thread Case Sewing Machines |
| 1933 REECE Thread Trimmer Buttonhole Sewing Machines |
| 1933 METROPOLITAN Automatic Thread Clamp Needle Threads |
| 1933 UNION Thread Controlling Mechanism Sewing Machines |
| 1933 SINGER Thread Cutting Mechanisms Sewing Machines |
| 1933 H Thread Control Mechanism Patent Print Art |
| 1933 PIKUL Thread Trimmer Buttonhole Sewing Machines |
| 1933 SINGER CO Thread Tensioning Sewing Machines |
| 1933 WEIS Automatic Thread Clamp Needle Threads |
| 1933 FRED Thread Treating Sewing Machines Art |
| 1933 WOOD Thread Cutting Mechanism Sewing Machines |
| 1933 SINGER CO Thread Case Sewing Machines Art |
| 1933 REECE Thread Cutter Buttonhole Sewing Machines |