| 1920 HAYES Work Presenting Mechanism Sewing Machines |
| 1920 SINGER CO Trimming Mechanism Sewing Machines |
| 1920 SINGER CO Feeding Mechanism Sewing Machines |
| 1920 ALLEN Thread Controlling Mechanism Sewing Machines |
| 1920 LANSING Looper Operating Mechanism Sewing Machines |
| 1920 UNION Ruffling Mechanism Sewing Machines |
| 1920 DE Trimming Mechanism Sewing Machines Art |
| 1920 SINGER CO Thread Cutting Mechanism Sewing Machines |
| 1920 DE Looper Mechanism Overseaming Sewing Machines |
| 1920 MOFFATT Ruffling Mechanism Sewing Machines |
| 1920 MARX Transmission Mechanism Sewing Machines |
| 1920 HUGHES Trimming Mechanism Sewing Machines |
| 1920 BENJAMIN Transmission Mechanism Sewing Machines |
| 1920 KENNEY Mechanism Support Talking Machines |
| 1920 STUPAR Driving Mechanism Flying Machines |
| 1920 ARBETTER Work Presenting Mechanism Sewing Machines |
| 1920 MOLYNEUX Feeding Mechanism Sewing Machines |
| 1920 UNION Stitch Forming Mechanism Sewing Machines |
| 1920 UNION Trimming Mechanism Sewing Machines |
| 1920 BARRON Thread Cutting Mechanism Sewing Machines |
| 1920 HUGHES Ruffling Mechanism Sewing Machines |
| 1920 MOFFATT Stitch Forming Mechanism Sewing Machines |
| 1920 SMITH Feed Mechanism Sewing Machines Art |
| 1920 UNION Looper Operating Mechanism Sewing Machines |