Inventor · disambiguated record
Klaus Gueldenpfennig
Also filed as: BREIDENSTEIN CHARLES J · GUELDENPFENNIG KLAUS
6 granted patents·1 pending application·272 citations·filing 1974–2007
86Inventor score
Top patents by PatentIndex Score
7 records- 0193US4228536ATime division digital communication systemREDCOM LAB INC·Filed 1979·Granted Oct 14, 1980·64 cites·20 claims
- 0287US5239542ATime division multiplex switching system for interconnecting telephone circuits which operate in accordance with different signalling systems and call formatsREDCOM LAB INC·Filed 1991·Granted Aug 24, 1993·137 cites·6 claims
- 0381US4521879ADigital private branch exchangeGUELDENPFENNIG KLAUS·Filed 1981·Granted Jun 4, 1985·44 cites·46 claims
- 0466US3963875AUniversal answer arrangement for a PABXSTROMBERG CARLSON CORP·Filed 1974·Granted Jun 15, 1976·15 cites·8 claims
- 0554US2008042357A1Marketing playing card setREDCOM LAB INC·Filed 2007·Application pending·0 cites
- 0642US4166199AAttendant console complexSTROMBERG CARLSON CORP·Filed 1977·Granted Aug 28, 1979·4 cites·22 claims
- 0736US5257260AExpanding switching capability of a time division communication system by multiplexing groups of circuits into successionsREDCOM LAB INC·Filed 1991·Granted Oct 26, 1993·8 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →