Patent assignee · US · COMPANY

Electrotel, Inc.

2Patents
0Active
2Granted
19Portfolio score

Filing activity: Jul 26, 1984 → Oct 31, 1985

Most-cited patents

PatentTitleAreaCited byStatus
US4706280A Electronic step-by-step telephone switching system Electricity 4 Expired
US4633042A Electronic micro-controller conversion module for step by step switching apparatus Electricity 1 Expired

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