Test-Um, Inc.
5Patents
0Active
5Granted
26Portfolio score
Filing activity: Aug 19, 1996 → May 7, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD430129S | "Telephone lineman's ""butt in"" test set" | General | 22 | Expired |
| US6646454B2 | Electronic apparatus and method for measuring length of a communication cable | Physics | 13 | Expired |
| US5887051A | Listening device for tracing line continuity and detecting telephone dial tone | Electricity | 9 | Expired |
| US5754624A | Telephone line test kit | Electricity | 8 | Expired |
| US5743750A | Electrical connector for straight-through connection and breakout testing of data communication lines | Emerging Cross-Sectional Technologies | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.