Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355664 | Apparatus for internal pipe protection | Paul M. Cook, Richard F. Otte, James L. Claypool, Lawrence J. White, Peter L. Brooks | 1982-10-26 |
| 4314718 | Tensile ring composite pipe coupling | Laszlo Szalvay | 1982-02-09 |