Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gary Sprague | C.R. Laurence Co. | 4 |
| 2 | David Curtis Crinklaw | — | 2 |
| 3 | David Jonathan Zimmer | Tonal Systems | 1 |
| 3 | Frank Ainley, Jr. | Unknown | 1 |
| 3 | William Cunningham | Ford | 1 |
Part of California
9 patents · 5 inventors · 0.9/1k pop.
Ranked #9,920 of 42,968 cities Top 25%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gary Sprague | C.R. Laurence Co. | 4 |
| 2 | David Curtis Crinklaw | — | 2 |
| 3 | David Jonathan Zimmer | Tonal Systems | 1 |
| 3 | Frank Ainley, Jr. | Unknown | 1 |
| 3 | William Cunningham | Ford | 1 |
Part of California