Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5716225 | Electrical assembly with dual voltage electrical connector between ballast and high intensity discharge lamp fixture | Ralph S. Stringer | 1998-02-10 |
| D320866 | Combined connector and stem for a track light | Ralph S. Stringer | 1991-10-15 |
| 5013251 | Adaptor and mechanism for grounding a track light system | Ralph S. Stringer | 1991-05-07 |