Top Inventors at Sigma Instruments Holdings All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John Crunick | 9 |
| 2 | Tamas Becse | 8 |
| 3 | Louis L. Laskey, Jr. | 7 |
| #4 | Thomas E. Beling | 7 |
| #5 | Thomas I. Yeh | 6 |
| #6 | John G. Gamble | 5 |
| #7 | John H. Field | 4 |
| #8 | Joseph R. Thibodeau | 3 |
| #9 | Leopold Bric | 2 |
| #10 | Matthew G. Dillon | 2 |
| #11 | Thomas Marx | 2 |
| #12 | James S. Sergi | 1 |
| #13 | Joseph G. Cremonese | 1 |
| #14 | John Pellegrino | 1 |
| #15 | Lou L. Laskey, Jr. | 1 |
| #16 | Ralph W. Horber | 1 |
| #17 | Simyon Palmin | 1 |
| #18 | Sandor Gardos | 1 |