Patent assignee · US · COMPANY

Ek-Ris Enterprises, Inc.

1Patents
0Active
1Granted
24Portfolio score

Filing activity: Nov 27, 1989 → Nov 27, 1989

Most-cited patents

PatentTitleAreaCited byStatus
US4935951A Emergency telephone actuated signal light or the like device and method Electricity 60 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.