Patent assignee · US · COMPANY

Colonial Data Technologies Corp.

2Patents
0Active
2Granted
26Portfolio score

Filing activity: Jun 25, 1990 → Dec 13, 1994

Most-cited patents

PatentTitleAreaCited byStatus
US5228080A Method and apparatus for processing an incoming telephone call signal which may include a data message Electricity 73 Expired
US5649002A Method and apparatus for detecting a telephone CPE alerting signal Electricity 22 Expired

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