Top Inventors at Schonstedt Instrument All Time
Showing 1–9 of 9 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Erick O. Schonstedt | 19 |
| 2 | John B. Rippingale | 8 |
| 3 | Bradley L. Osman | 3 |
| 3 | Charles R. Upton | 3 |
| #5 | Kenneth George Sowers | 2 |
| #5 | Mohammed M. Hamzezadeh | 2 |
| #7 | Donald Dale Sien | 1 |
| #7 | Thomas Matthew Parker | 1 |
| #7 | Warren D. Dunham | 1 |