Inventor · disambiguated record
Donald Robert Ziemann
Also filed as: ZIEMANN DONALD R · ZIEMANN DONALD ROBERT
4 granted patents·321 citations·filing 1994–2000
83Inventor score
Top patents by PatentIndex Score
4 records- 0193US6587545B1System for providing expanded emergency service communication in a telecommunication networkLUCENT TECHNOLOGIES INC·Filed 2000·Granted Jul 1, 2003·143 cites·8 claims
- 0293US6415018B1Telecommunication system and method for handling special number calls having geographic sensitivityLUCENT TECHNOLOGIES INC·Filed 2000·Granted Jul 2, 2002·96 cites·23 claims
- 0372US5425087ATelephone usage monitoring arrangementAT & T CORP·Filed 1994·Granted Jun 13, 1995·69 cites·22 claims
- 0448US6101240AArrangement for public safety answering pointsLUCENT TECHNOLOGIES INC·Filed 1998·Granted Aug 8, 2000·13 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →