Inventor

HART DOUGLAS

CA3 patents

⚠️ This page may combine multiple inventors who share the name “HART DOUGLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LANDUS INC

2 patents

US4935632AJun 19, 1990

Luminescent concentrator light source

LANDUS INC31 citations85

US4788437ANov 29, 1988

Tritium light

LANDUS INC10 citations62

OOMA INC

1 patent

US11330100B2May 10, 2022

Server based intelligent personal assistant services

OOMA INC5 citations70