Inventor
HUBBELL DAVID A
US7 patents
⚠️ This page may combine multiple inventors who share the name “HUBBELL DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
(unassigned)
6 patentsUS6685154B1Feb 3, 2004
Connector and method for assembling structural elements together without the use of weldments
73 citations93
US6676279B1Jan 13, 2004
Area lighting device using discrete light sources, such as LEDs
64 citations93
US6892502B1May 17, 2005
Space frame support structure employing weld-free, single-cast structural connectors for highway signs
65 citations89
US6705744B2Mar 16, 2004
Area lighting device using discrete light sources, such as LEDs
35 citations89
US6409433B1Jun 25, 2002
Foundation piles or similar load carrying elements
36 citations87
US6502805B2Jan 7, 2003
Sheet-metal highway guardrail system
8 citations71