Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10127844 | Sign base and sign assembly | Daniel Calby | 2018-11-13 |
| 9857092 | Injection molded HVAC diffuser assembly | — | 2018-01-02 |
| 9437123 | Sign assembly | Carol Salas | 2016-09-06 |
| 8646196 | Sign assembly | Carol Salas | 2014-02-11 |
| 7886467 | Portable sign frame assembly with changeable signage | — | 2011-02-15 |
| 7748151 | Stabilized A-frame sign stand | — | 2010-07-06 |
| D582485 | Sign frame | Edward Poelsterl, Stephen S. Simovits, Jr. | 2008-12-09 |
| 7337569 | Portable sign frame assembly with changeable signage | — | 2008-03-04 |
| 7302770 | Stabilized A-frame sign stand | — | 2007-12-04 |
| 6561120 | Plastic barricade assembly | Wayne J. Brocka, Douglas C. Madsen | 2003-05-13 |
| 6101967 | Plastic barricade assembly | Wayne J. Brocka, Douglas C. Madsen | 2000-08-15 |
| 5570972 | Traffic barricade and flasher light assembly with combination flasher light mounting apparatus and carrying handle | Wayne J. Brocka, Douglas C. Madsen | 1996-11-05 |
| 5342140 | Flasher light mounting assembly for traffic barricades | — | 1994-08-30 |
| 4974815 | Plastic traffic barricade | — | 1990-12-04 |
| 4624210 | Barricade | — | 1986-11-25 |
| 4298186 | Hollow plastic barricade | — | 1981-11-03 |