Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663145 | Conduit coupling with interior grip rings | Lucian Hite Lyall, III, Stephen J. Boros | 2003-12-16 |
| 5476562 | Large diameter electrically fusible pipe methods | — | 1995-12-19 |
| 5252157 | Electrothermal fusion of large diameter pipes by electric heating wire wrapping and sleeve connector | — | 1993-10-12 |
| 4713129 | Plastic pile protector and method of covering a pile with same | Harold J. Evans | 1987-12-15 |
| 4708527 | Plastic pile protector and method of covering a pile with same | Harold J. Evans | 1987-11-24 |