Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42331 | Low impedance grounding electrode with universal connections and rapid access cap | Roy B. Carpenter, Jr., Nathan M. Mascarenas | 2011-05-10 |
| 7462776 | Low impedance grounding electrode with universal connections and rapid access cap | Nathan M. Mascarenas, Roy B. Carpenter, Jr. | 2008-12-09 |
| 7078621 | Grounding system for floating roofs in flammable storage tanks | Roy B. Carpenter, Jr. | 2006-07-18 |