Inventor · disambiguated record
Richard Frank Stiefel
Also filed as: STIEFEL RICHARD DIPL ING · STIEFEL RICHARD FRANK
3 granted patents·193 citations·filing 1994–1995
77Inventor score
Top patents by PatentIndex Score
3 records- 0178US5659608ALine feed circuit with logic level controlled ringingLUCENT TECHNOLOGIES INC·Filed 1995·Granted Aug 19, 1997·101 cites·12 claims
- 0272US5721774ALongitudinally balanced, dual voltage line-feed circuitLUCENT TECHNOLOGIES INC·Filed 1995·Granted Feb 24, 1998·74 cites·24 claims
- 0339US5788045AEmpty bottle collectorTRAUTWEIN SB TECHNIK GMBH·Filed 1994·Granted Aug 4, 1998·18 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →