Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532993 | Underground piping system | — | 2003-03-18 |
| 6428052 | Fitting for use with corrugated tubing | Edwin E. Pike | 2002-08-06 |
| 6315003 | Underground piping system | — | 2001-11-13 |
| 6079749 | Preassembled fitting for use with corrugated tubing | Edwin E. Pike | 2000-06-27 |
| 5799989 | Corrugated tubing fitting | — | 1998-09-01 |
| 5483412 | Method for preparing an electrically non-conductive hose assembly | Ralph T. Blanchard, John C. Dalton | 1996-01-09 |
| 5430603 | Externally non-conductive hose assembly | Ralph T. Blanchard, John C. Dalton | 1995-07-04 |