Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735639 | Modular mobile safety structure for containment and handling of hazardous materials | Edward A. Payne, Gary L. Van Valkenburgh | 1998-04-07 |
| H1587 | Trailer for transporting a safety structure which is used for the | Gary L. Van Valkenburgh | 1996-09-03 |
| 5511908 | Mobile safety structure for containment and handling of hazardous materials | Gary L. Van Valkenburgh, Edward A. Payne | 1996-04-30 |