Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6240664 | Illuminated sign and sign plate therefor | — | 2001-06-05 |
| 6131322 | Sign plate for illuminated sign | — | 2000-10-17 |
| 5829177 | Illuminated sign and sign plate therefor | — | 1998-11-03 |
| 5682697 | Sign plate for illuminated sign | — | 1997-11-04 |
| 5414947 | Sign plate for illuminated sign | — | 1995-05-16 |
| 5009019 | Sign plate for illuminated sign | Gudni Erlendsson | 1991-04-23 |