| 9016668 |
Stackable barrier with connector |
David J. Lipniarski, Joseph C. Mecham |
2015-04-28 |
| 8939675 |
Barrier systems with interlocking flag |
James H. Schaffner |
2015-01-27 |
| 8808600 |
Methods for manufacturing barrier systems having a retained coupling pin |
James H. Schaffner |
2014-08-19 |
| D702581 |
Stand barricade |
Dennis Kovach |
2014-04-15 |
| 8453995 |
Control barrier |
David J. Lipniarski |
2013-06-04 |
| 8167512 |
Low profile barriers having attached molded pins |
— |
2012-05-01 |
| 7922420 |
Barriers with kiss-offs |
Greg H. Brown, David E. Cowan, Bryan D. Grabowski, Charles M. Mettler, Bruce E. Owens +1 more |
2011-04-12 |
| 7789585 |
Control barrier with rotatable legs |
David J. Lipniarski |
2010-09-07 |
| D614984 |
Barricade |
David C. Winter, Edward G. Van Nimwegen, Jay D. Spendlove |
2010-05-04 |
| 7588387 |
Barriers with interlocking sides |
Greg H. Brown, David E. Cowan, Bryan D. Grabowski, Charles M. Mettler, Bruce E. Owens +1 more |
2009-09-15 |
| D599488 |
Control barrier with rotatable legs |
David J. Lipniarski |
2009-09-01 |
| 7540682 |
Control barrier with rotatable legs |
David J. Lipniarski |
2009-06-02 |
| D569992 |
Traffic barrier |
David J. Lipniarski |
2008-05-27 |
| D555804 |
Low profile barrier |
— |
2007-11-20 |
| 7275888 |
Interlocking barriers |
Eric M. Simon, William Snook |
2007-10-02 |
| D552250 |
Interlocking barrier |
Eric M. Simon, William Snook |
2007-10-02 |
| D546969 |
Low profile barrier |
— |
2007-07-17 |
| D533281 |
Barrier with interlocking sides |
Greg H. Brown, David E. Cowan, Bryan D. Grabowski, Charles M. Mettler, Bruce E. Owens +1 more |
2006-12-05 |
| 6676113 |
Control barrier with rotatable legs |
Eric M. Simon |
2004-01-13 |
| 6086285 |
Interlocking control barrier systems |
— |
2000-07-11 |
| 5993103 |
Control barrier with support legs |
— |
1999-11-30 |
| 5836714 |
Control barrier systems |
— |
1998-11-17 |
| 5611641 |
Crowd control barrier system |
— |
1997-03-18 |
| 5452963 |
Crowd control barrier |
— |
1995-09-26 |