Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7559994 | Device and process for cleaning electrified contact rail insulators for rail rapid transit systems | — | 2009-07-14 |
| 7200889 | Device and process for cleaning electrified contact rail insulators for rail rapid transit systems | — | 2007-04-10 |
| 6105335 | Sustainable wall construction and exterior insulation retrofit technology process and structure | — | 2000-08-22 |
| 5875607 | Low-cost exterior insulation process and structure | — | 1999-03-02 |