Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE49141 | Retaining ring for pressure vessel connection | — | 2022-07-19 |
| 9689518 | Retaining ring for pressure vessel connection | — | 2017-06-27 |
| 8328245 | Clamp adapter assembly | Charles P. McKee, Carl M. Johnson | 2012-12-11 |
| 7127849 | Manway lift device having an adjustable biasing assembly therefor | — | 2006-10-31 |