Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631575 | LED and light diffuser for a lighted sign | Eric S. Bravek, Randy S. Uehran | 2003-10-14 |
| 6154945 | Process for removing a sign display module | — | 2000-12-05 |
| 6144562 | Component mounting bracket system | Jack R. Tolk | 2000-11-07 |
| 5779351 | Matrix display with multiple pixel lens and multiple partial parabolic reflector surfaces | Troy A. Erickson | 1998-07-14 |
| 5321417 | Visual display panel | Troy A. Erickson, Ronald L. Sitzema, Jr. | 1994-06-14 |