Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8122630 | Rib support of folded material | — | 2012-02-28 |
| 7849618 | Collapsible sign for use in or near a roadway | — | 2010-12-14 |
| 7686264 | Quick release mechanism for use with a sign stand | — | 2010-03-30 |
| 7681349 | Hand operated traffic signal device | Richard Norman Dunbar | 2010-03-23 |
| 7637046 | Sign panel attachment | Jeffrey A. Williams | 2009-12-29 |
| 7628373 | Sign panel holder | James G. Kokenes | 2009-12-08 |
| 7509921 | Flag holder for warning signs | — | 2009-03-31 |
| D571245 | Base for warning illumination device | Ian Wareing | 2008-06-17 |
| 7243450 | Sign stand having resilient base | James G. Kokenes, Jeffrey A. Williams | 2007-07-17 |
| 7093953 | Warning light | Ian Wareing | 2006-08-22 |
| D524673 | Warning light base | Ian Wareing | 2006-07-11 |
| 7062872 | Lightweight collapsible signaling device | Jeffrey A. Williams | 2006-06-20 |
| D516930 | Base for warning light | Ian Wareing | 2006-03-14 |
| 6793191 | Quick release mechanism for use with a supporting device | Jeffrey A. Williams | 2004-09-21 |
| 6792708 | Lightweight collapsible sign | James Kokenas, Donald E. Hans | 2004-09-21 |
| 6769833 | Pivoting vehicle barrier | James G. Kokenes | 2004-08-03 |
| 6685156 | Quick release mechanism for use with a supporting device | James G. Kokenes, Jeffrey A. Williams | 2004-02-03 |
| 6625912 | Lightweight collapsible sign | James Kokenas, Donald E. Hans | 2003-09-30 |
| 6622408 | Lightweight collapsible sign | James J. Kokenas, Donald E. Hans | 2003-09-23 |
| 6604719 | Sign stand for mounting flexible sign panels | James G. Kokenes, Jeffrey A. Williams | 2003-08-12 |
| 6474744 | Splicing chair | John Wayne Taylor | 2002-11-05 |
| 6315253 | Foldable supporting device and quick release mechanism therefor | Jeffrey A. Williams | 2001-11-13 |
| 6290193 | Mounting apparatus for flexible sign panels | Jeffrey A. Williams | 2001-09-18 |
| 6186463 | Rib clamping system for display devices | Jeffrey A. Williams, James G. Kokenes | 2001-02-13 |
| 5979847 | Mounting apparatus for flexible sign panels | Jeffrey A. Williams | 1999-11-09 |