Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Stanley J. Ketterer | The Singer Company Limited | 3 |
| 2 | Laszlo Hidassy | — | 2 |
| 3 | by Margaret Ernst, executrix | Amax | 1 |
| 3 | Edgar L. Harvey | Burroughs | 1 |
| 3 | Margaret N. Bright | ExxonMobil | 1 |
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