Assignee

PRESEARCH INC

US3 patents

Top patents by PatentIndex Score

US5237408AAug 17, 1993

Retrofitting digital video surveillance system

PRESEARCH INC168 citations91

US5170359ADec 8, 1992

Transient episode detector method and apparatus

PRESEARCH INC66 citations89

US4271552AJun 9, 1981

Torpedo floatation device

PRESEARCH INC23 citations69