|
|
9528679
|
US
|
Wide angle optical system for LED array
|
|
Oct 19, 2015
|
Dec 27, 2016
|
Granted
|
|
|
7116294
|
US
|
LED driver circuits
|
|
Feb 7, 2003
|
Oct 3, 2006
|
Granted
|
|
|
D320363
|
US
|
Directional light warning system for vehicles or the like
|
|
Jan 23, 1990
|
Oct 1, 1991
|
Granted
|
|
|
D453306
|
US
|
Siren
|
|
Jun 13, 2000
|
Feb 5, 2002
|
Granted
|
|
|
6317052
|
US
|
Pattern selection method and apparatus
|
|
Apr 19, 2000
|
Nov 13, 2001
|
Granted
|
|
|
5027260
|
US
|
Vehicular lightbar assembly
|
|
Sep 6, 1989
|
Jun 25, 1991
|
Granted
|
|
|
D603740
|
US
|
Lightbar modules
|
|
Mar 23, 2009
|
Nov 10, 2009
|
Granted
|
|
|
D748830
|
US
|
Compact multi-function LED lighthead
|
|
May 5, 2014
|
Feb 2, 2016
|
Granted
|
|
|
D595172
|
US
|
Lens and frame for warning lights
|
|
Aug 28, 2008
|
Jun 30, 2009
|
Granted
|
|
|
5170162
|
US
|
MOTION DIRECTION DETECTION
|
|
Jul 31, 1990
|
Dec 8, 1992
|
Granted
|
|
|
8450936
|
US
|
Dual range power supply
|
|
May 13, 2010
|
May 28, 2013
|
Granted
|
|
|
7821380
|
US
|
Compact warning light
|
|
Sep 20, 2007
|
Oct 26, 2010
|
Granted
|
|
|
D419249
|
US
|
Aerodynamic rear facing light bar for emergency vehicles
|
|
Jul 27, 1998
|
Jan 18, 2000
|
Granted
|
|
|
8939626
|
US
|
Warning light assembly
|
|
Sep 14, 2012
|
Jan 27, 2015
|
Granted
|
|
|
4620268
|
US
|
Low-profile modular lightbar assembly
|
|
Feb 13, 1984
|
Oct 28, 1986
|
Granted
|
|
|
D591188
|
US
|
Lens and frame for a warning light
|
|
Aug 28, 2008
|
Apr 28, 2009
|
Granted
|
|
|
9441808
|
US
|
Asymmetrical optical system
|
|
Apr 29, 2013
|
Sep 13, 2016
|
Granted
|
|
|
D722187
|
US
|
Surface mount light for a vehicle
|
|
Mar 12, 2013
|
Feb 3, 2015
|
Granted
|
|
|
D469710
|
US
|
Tip-up light bar assembly
|
|
Jan 11, 2002
|
Feb 4, 2003
|
Granted
|
|
|
5397866
|
US
|
Dual acoustic horn assembly
|
|
Apr 1, 1993
|
Mar 14, 1995
|
Granted
|
