Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820476 | System and method for plugging the core barrel of a nuclear reactor | — | 1989-04-11 |
| 4772448 | Support pin system and locking nut retainer | Ronald J. Hopkins, John T. Land, Franklin D. Obermeyer | 1988-09-20 |
| 4591068 | Core barrel plug | Ralph W. Tolino, Ronald J. Hopkins, Ray L. Congleton | 1986-05-27 |