Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William K. Hilfiker | Hilfiker Pipe Co. | 2 |
| 2 | Joel V. Risch | — | 1 |
| 2 | Whitney G. McLeod | — | 1 |
| 2 | Alan E. Krause, II | Unknown | 1 |
Part of California
5 patents · 4 inventors · 0.2/1k pop.
Ranked #5,799 of 20,767 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William K. Hilfiker | Hilfiker Pipe Co. | 2 |
| 2 | Joel V. Risch | — | 1 |
| 2 | Whitney G. McLeod | — | 1 |
| 2 | Alan E. Krause, II | Unknown | 1 |
Part of California