Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123535 | Expandable pipe including a liner for restoring a conduit | Clinton Edward Llewellyn, Bowdie J. Isanhart, John Harry Camp | 2024-10-22 |
| 11698070 | Grouting material delivery and application system | Clinton Edward Llewellyn, John Harry Camp | 2023-07-11 |
| 11204125 | Expandable pipe including a liner for restoring a conduit | Clinton Edward Llewellyn, Bowdie J. Isanhart, John Harry Camp | 2021-12-21 |
| 10578240 | Expandable pipe including a liner for restoring a conduit | Clinton Edward Llewellyn, Bowdie J. Isanhart, John Harry Camp | 2020-03-03 |
| 6923033 | Roller system for flattening irregularly shaped, bent pieces of scrap sheet metal | — | 2005-08-02 |
| 4739641 | Process and apparatus for flattening sheet gauge metal scrap | — | 1988-04-26 |