Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163393 | Multi-function mandrel system | Douglas Wayne Davison | 2024-12-10 |
| 11946323 | Quick connection hydraulic fracturing plug | Douglas Wayne Davison | 2024-04-02 |
| 11613740 | Plug for oil field service work and method of production | Douglas Wayne Davison | 2023-03-28 |
| 11584678 | Methods of production of oil and gas service plugs | Douglas Wayne Davison | 2023-02-21 |