Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D643763 | Collar plug-in for a utility meter | Franklin Christiaan Geiger, Keith Richard Martin | 2011-08-23 |
| 7692556 | Adapter for a meter | Stephen Geoffrey Jones, Keith Richard Martin | 2010-04-06 |
| 7019666 | Adapter for a meter | Stephen Geoffrey Jones, Keith Richard Martin | 2006-03-28 |