Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604854 | Thin film thermometer with sensors that appear and disappear from respective concealing features according to temperature | Randy Martin Limburg | 2003-08-12 |
| 6286920 | Venetian blind printing system | — | 2001-09-11 |
| 6241386 | Decal with multiple concealing features that selectively display or conceal temperature sensors according to ambient temperature | Randy Martin Limburg | 2001-06-05 |
| 4871327 | Combined electrical grounding and mechanical locking means for ceiling mounted device | William Butterfield | 1989-10-03 |