DH

David Hubbell

DI Dialight: 1 patents #43 of 72Top 60%
Overall (All Time): #326,233 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7510303 LED illuminated lamp with thermoelectric heat management Thorgeir Jonsson, Gudlaugur Kristinn Ottarsson, Sturla Jonsson 2009-03-31
7425075 Optical reflecting material 2008-09-16
D574519 Wood guardrail for roadways and bridges 2008-08-05
D529200 Wood guardrail for roadways 2006-09-26
D522165 Light fixture lens Allen W. Hubbell, Thorgeir Jonsson, Daniel M. Hubbell, F. Christopher Hubbell, Jason D. Hubbell 2006-05-30
6892502 Space frame support structure employing weld-free, single-cast structural connectors for highway signs Robert W. Blyth, Philip V. DeSantis 2005-05-17
6705744 Area lighting device using discrete light sources, such as LEDs Philip V. DeSantis 2004-03-16
6685154 Connector and method for assembling structural elements together without the use of weldments Robert W. Blyth, Philip V. DeSantis 2004-02-03
6676279 Area lighting device using discrete light sources, such as LEDs Philip V. DeSantis 2004-01-13
6561492 Wood clad guardrail assembly 2003-05-13
6502805 Sheet-metal highway guardrail system David Lewis, William Atwood 2003-01-07
6454488 Roadway energy absorbing impact attenuator David Lewis, William Bryson, William Atwood 2002-09-24
6422714 Illuminated, solar powered, vehicle activated, traffic sign 2002-07-23
6409433 Foundation piles or similar load carrying elements Alfred Owen 2002-06-25
6367208 Composite foundation post Jerome Campbell 2002-04-09