Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10288184 | Metal reinforced seal plate for pilot actuated spool valve | Robert E. Smith, III, Frank Harold Hollister, Richard R. Watson | 2019-05-14 |
| 10247322 | Metal reinforced seal plate for pilot actuated spool valve | Robert E. Smith, III, Frank Harold Hollister, Richard R. Watson | 2019-04-02 |