Inventor · disambiguated record
David M. Hammelef
Also filed as: HAMMELEF DAVID M
2 granted patents·1 pending application·13 citations·filing 2009–2022
56Inventor score
Top patents by PatentIndex Score
3 records- 0182US12319189B2Translatable assist handle for a vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Jun 3, 2025·3 cites·20 claims
- 0265US8045725B2Vehicle interior active noise cancellationGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Oct 25, 2011·10 cites·15 claims
- 0330US2012073694A1Automotive air duct constructionLEFFERT MICHAEL G·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →