Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10337284 | Revolved seat line for a curved flapper | — | 2019-07-02 |
| 10240431 | Nested flapper spring | Frank Coss | 2019-03-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10337284 | Revolved seat line for a curved flapper | — | 2019-07-02 |
| 10240431 | Nested flapper spring | Frank Coss | 2019-03-26 |